Home / 454,334.90-681,502.35-155,153.30

Finding the Fourth Proportional to 454,334.90, 681,502.35 and 155,153.30

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Solution

The fourth proportional to 454,334.90, 681,502.35 and 155,153.30 is: 232,729.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,334.90 : 681,502.35 = 155,153.30 : x
  2. Step 2: Convert to fraction form
    454,334.90/681,502.35 = 155,153.30/x
  3. Step 3: Cross multiply
    454,334.90x = 681,502.35 × 155,153.30
  4. Step 4: Simplify right side
    454,334.90x = 105,737,338,560.26
  5. Step 5: Solve for x
    x = 105,737,338,560.26/454,334.90
  6. Step 6: Final answer
    x = 232,729.95

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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.