Home / 157,299.16-217,073.29-93,636.40

Finding the Fourth Proportional to 157,299.16, 217,073.29 and 93,636.40

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Solution

The fourth proportional to 157,299.16, 217,073.29 and 93,636.40 is: 129,218.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,299.16 : 217,073.29 = 93,636.40 : x
  2. Step 2: Convert to fraction form
    157,299.16/217,073.29 = 93,636.40/x
  3. Step 3: Cross multiply
    157,299.16x = 217,073.29 × 93,636.40
  4. Step 4: Simplify right side
    157,299.16x = 20,325,960,092.30
  5. Step 5: Solve for x
    x = 20,325,960,092.30/157,299.16
  6. Step 6: Final answer
    x = 129,218.50

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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.