Home / 172,022.40-237,384-96,569.28

Finding the Fourth Proportional to 172,022.40, 237,384 and 96,569.28

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Solution

The fourth proportional to 172,022.40, 237,384 and 96,569.28 is: 133,261.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,022.40 : 237,384 = 96,569.28 : x
  2. Step 2: Convert to fraction form
    172,022.40/237,384 = 96,569.28/x
  3. Step 3: Cross multiply
    172,022.40x = 237,384 × 96,569.28
  4. Step 4: Simplify right side
    172,022.40x = 22,924,001,963.52
  5. Step 5: Solve for x
    x = 22,924,001,963.52/172,022.40
  6. Step 6: Final answer
    x = 133,261.73

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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.