Home / 424,014.18-636,018.02-108,470.58

Finding the Fourth Proportional to 424,014.18, 636,018.02 and 108,470.58

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Solution

The fourth proportional to 424,014.18, 636,018.02 and 108,470.58 is: 162,705.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,014.18 : 636,018.02 = 108,470.58 : x
  2. Step 2: Convert to fraction form
    424,014.18/636,018.02 = 108,470.58/x
  3. Step 3: Cross multiply
    424,014.18x = 636,018.02 × 108,470.58
  4. Step 4: Simplify right side
    424,014.18x = 68,989,243,519.85
  5. Step 5: Solve for x
    x = 68,989,243,519.85/424,014.18
  6. Step 6: Final answer
    x = 162,705.04

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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.