Home / 454,414.90-681,622.35-155,233.30

Finding the Fourth Proportional to 454,414.90, 681,622.35 and 155,233.30

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Solution

The fourth proportional to 454,414.90, 681,622.35 and 155,233.30 is: 232,849.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,414.90 : 681,622.35 = 155,233.30 : x
  2. Step 2: Convert to fraction form
    454,414.90/681,622.35 = 155,233.30/x
  3. Step 3: Cross multiply
    454,414.90x = 681,622.35 × 155,233.30
  4. Step 4: Simplify right side
    454,414.90x = 105,810,486,744.26
  5. Step 5: Solve for x
    x = 105,810,486,744.26/454,414.90
  6. Step 6: Final answer
    x = 232,849.95

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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.