Home / 424,099.03-636,148.14-108,555.43

Finding the Fourth Proportional to 424,099.03, 636,148.14 and 108,555.43

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Solution

The fourth proportional to 424,099.03, 636,148.14 and 108,555.43 is: 162,833.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,099.03 : 636,148.14 = 108,555.43 : x
  2. Step 2: Convert to fraction form
    424,099.03/636,148.14 = 108,555.43/x
  3. Step 3: Cross multiply
    424,099.03x = 636,148.14 × 108,555.43
  4. Step 4: Simplify right side
    424,099.03x = 69,057,334,881.40
  5. Step 5: Solve for x
    x = 69,057,334,881.40/424,099.03
  6. Step 6: Final answer
    x = 162,833.04

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1.5x scale

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.