Home / 156,252.16-215,666.56-89,223.04

Finding the Fourth Proportional to 156,252.16, 215,666.56 and 89,223.04

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Solution

The fourth proportional to 156,252.16, 215,666.56 and 89,223.04 is: 123,149.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,252.16 : 215,666.56 = 89,223.04 : x
  2. Step 2: Convert to fraction form
    156,252.16/215,666.56 = 89,223.04/x
  3. Step 3: Cross multiply
    156,252.16x = 215,666.56 × 89,223.04
  4. Step 4: Simplify right side
    156,252.16x = 19,242,426,109.54
  5. Step 5: Solve for x
    x = 19,242,426,109.54/156,252.16
  6. Step 6: Final answer
    x = 123,149.82

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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.