Home / 157,920.26-217,930.53-86,301.38

Finding the Fourth Proportional to 157,920.26, 217,930.53 and 86,301.38

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Solution

The fourth proportional to 157,920.26, 217,930.53 and 86,301.38 is: 119,096.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,920.26 : 217,930.53 = 86,301.38 : x
  2. Step 2: Convert to fraction form
    157,920.26/217,930.53 = 86,301.38/x
  3. Step 3: Cross multiply
    157,920.26x = 217,930.53 × 86,301.38
  4. Step 4: Simplify right side
    157,920.26x = 18,807,705,483.13
  5. Step 5: Solve for x
    x = 18,807,705,483.13/157,920.26
  6. Step 6: Final answer
    x = 119,096.22

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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.