Home / 157,632.19-217,533.05-86,013.70

Finding the Fourth Proportional to 157,632.19, 217,533.05 and 86,013.70

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Solution

The fourth proportional to 157,632.19, 217,533.05 and 86,013.70 is: 118,699.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,632.19 : 217,533.05 = 86,013.70 : x
  2. Step 2: Convert to fraction form
    157,632.19/217,533.05 = 86,013.70/x
  3. Step 3: Cross multiply
    157,632.19x = 217,533.05 × 86,013.70
  4. Step 4: Simplify right side
    157,632.19x = 18,710,822,502.79
  5. Step 5: Solve for x
    x = 18,710,822,502.79/157,632.19
  6. Step 6: Final answer
    x = 118,699.25

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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.