Home / 176,523.90-243,658.71-112,861.95

Finding the Fourth Proportional to 176,523.90, 243,658.71 and 112,861.95

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Solution

The fourth proportional to 176,523.90, 243,658.71 and 112,861.95 is: 155,785.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,523.90 : 243,658.71 = 112,861.95 : x
  2. Step 2: Convert to fraction form
    176,523.90/243,658.71 = 112,861.95/x
  3. Step 3: Cross multiply
    176,523.90x = 243,658.71 × 112,861.95
  4. Step 4: Simplify right side
    176,523.90x = 27,499,797,145.08
  5. Step 5: Solve for x
    x = 27,499,797,145.08/176,523.90
  6. Step 6: Final answer
    x = 155,785.12

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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.