Home / 156,930.59-216,488.09-93,223.28

Finding the Fourth Proportional to 156,930.59, 216,488.09 and 93,223.28

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Solution

The fourth proportional to 156,930.59, 216,488.09 and 93,223.28 is: 128,602.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,930.59 : 216,488.09 = 93,223.28 : x
  2. Step 2: Convert to fraction form
    156,930.59/216,488.09 = 93,223.28/x
  3. Step 3: Cross multiply
    156,930.59x = 216,488.09 × 93,223.28
  4. Step 4: Simplify right side
    156,930.59x = 20,181,730,605.01
  5. Step 5: Solve for x
    x = 20,181,730,605.01/156,930.59
  6. Step 6: Final answer
    x = 128,602.91

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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.