Home / 176,387.28-243,280.29-122,029.89

Finding the Fourth Proportional to 176,387.28, 243,280.29 and 122,029.89

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Solution

The fourth proportional to 176,387.28, 243,280.29 and 122,029.89 is: 168,308.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,387.28 : 243,280.29 = 122,029.89 : x
  2. Step 2: Convert to fraction form
    176,387.28/243,280.29 = 122,029.89/x
  3. Step 3: Cross multiply
    176,387.28x = 243,280.29 × 122,029.89
  4. Step 4: Simplify right side
    176,387.28x = 29,687,467,027.87
  5. Step 5: Solve for x
    x = 29,687,467,027.87/176,387.28
  6. Step 6: Final answer
    x = 168,308.43

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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.