Home / 424,098.03-636,146.64-108,554.43

Finding the Fourth Proportional to 424,098.03, 636,146.64 and 108,554.43

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Solution

The fourth proportional to 424,098.03, 636,146.64 and 108,554.43 is: 162,831.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,098.03 : 636,146.64 = 108,554.43 : x
  2. Step 2: Convert to fraction form
    424,098.03/636,146.64 = 108,554.43/x
  3. Step 3: Cross multiply
    424,098.03x = 636,146.64 × 108,554.43
  4. Step 4: Simplify right side
    424,098.03x = 69,056,535,901.62
  5. Step 5: Solve for x
    x = 69,056,535,901.62/424,098.03
  6. Step 6: Final answer
    x = 162,831.54

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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.