Home / 176,418.43-243,472.25-99,961.83

Finding the Fourth Proportional to 176,418.43, 243,472.25 and 99,961.83

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Solution

The fourth proportional to 176,418.43, 243,472.25 and 99,961.83 is: 137,955.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,418.43 : 243,472.25 = 99,961.83 : x
  2. Step 2: Convert to fraction form
    176,418.43/243,472.25 = 99,961.83/x
  3. Step 3: Cross multiply
    176,418.43x = 243,472.25 × 99,961.83
  4. Step 4: Simplify right side
    176,418.43x = 24,337,931,914.12
  5. Step 5: Solve for x
    x = 24,337,931,914.12/176,418.43
  6. Step 6: Final answer
    x = 137,955.72

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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.