Home / 415,956.11-623,934.18-135,473.36

Finding the Fourth Proportional to 415,956.11, 623,934.18 and 135,473.36

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Solution

The fourth proportional to 415,956.11, 623,934.18 and 135,473.36 is: 203,210.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    415,956.11 : 623,934.18 = 135,473.36 : x
  2. Step 2: Convert to fraction form
    415,956.11/623,934.18 = 135,473.36/x
  3. Step 3: Cross multiply
    415,956.11x = 623,934.18 × 135,473.36
  4. Step 4: Simplify right side
    415,956.11x = 84,526,456,663.77
  5. Step 5: Solve for x
    x = 84,526,456,663.77/415,956.11
  6. Step 6: Final answer
    x = 203,210.04

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.