Home / 316,691.52-437,018.04-173,423.88

Finding the Fourth Proportional to 316,691.52, 437,018.04 and 173,423.88

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Solution

The fourth proportional to 316,691.52, 437,018.04 and 173,423.88 is: 239,316.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,691.52 : 437,018.04 = 173,423.88 : x
  2. Step 2: Convert to fraction form
    316,691.52/437,018.04 = 173,423.88/x
  3. Step 3: Cross multiply
    316,691.52x = 437,018.04 × 173,423.88
  4. Step 4: Simplify right side
    316,691.52x = 75,789,364,126.80
  5. Step 5: Solve for x
    x = 75,789,364,126.80/316,691.52
  6. Step 6: Final answer
    x = 239,316.05

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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.