Home / 437,917.59-656,875.17-105,493.59

Finding the Fourth Proportional to 437,917.59, 656,875.17 and 105,493.59

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Solution

The fourth proportional to 437,917.59, 656,875.17 and 105,493.59 is: 158,240.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,917.59 : 656,875.17 = 105,493.59 : x
  2. Step 2: Convert to fraction form
    437,917.59/656,875.17 = 105,493.59/x
  3. Step 3: Cross multiply
    437,917.59x = 656,875.17 × 105,493.59
  4. Step 4: Simplify right side
    437,917.59x = 69,296,119,865.16
  5. Step 5: Solve for x
    x = 69,296,119,865.16/437,917.59
  6. Step 6: Final answer
    x = 158,240.09

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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.