Home / 157,675.36-217,590.24-86,054.80

Finding the Fourth Proportional to 157,675.36, 217,590.24 and 86,054.80

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Solution

The fourth proportional to 157,675.36, 217,590.24 and 86,054.80 is: 118,754.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,675.36 : 217,590.24 = 86,054.80 : x
  2. Step 2: Convert to fraction form
    157,675.36/217,590.24 = 86,054.80/x
  3. Step 3: Cross multiply
    157,675.36x = 217,590.24 × 86,054.80
  4. Step 4: Simplify right side
    157,675.36x = 18,724,684,585.15
  5. Step 5: Solve for x
    x = 18,724,684,585.15/157,675.36
  6. Step 6: Final answer
    x = 118,754.67

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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.