Home / 157,675.32-217,590.24-86,054.76

Finding the Fourth Proportional to 157,675.32, 217,590.24 and 86,054.76

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Solution

The fourth proportional to 157,675.32, 217,590.24 and 86,054.76 is: 118,754.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,675.32 : 217,590.24 = 86,054.76 : x
  2. Step 2: Convert to fraction form
    157,675.32/217,590.24 = 86,054.76/x
  3. Step 3: Cross multiply
    157,675.32x = 217,590.24 × 86,054.76
  4. Step 4: Simplify right side
    157,675.32x = 18,724,675,881.54
  5. Step 5: Solve for x
    x = 18,724,675,881.54/157,675.32
  6. Step 6: Final answer
    x = 118,754.64

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Half scale
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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.