Home / 454,518.90-681,778.35-155,337.30

Finding the Fourth Proportional to 454,518.90, 681,778.35 and 155,337.30

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Solution

The fourth proportional to 454,518.90, 681,778.35 and 155,337.30 is: 233,005.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,518.90 : 681,778.35 = 155,337.30 : x
  2. Step 2: Convert to fraction form
    454,518.90/681,778.35 = 155,337.30/x
  3. Step 3: Cross multiply
    454,518.90x = 681,778.35 × 155,337.30
  4. Step 4: Simplify right side
    454,518.90x = 105,905,608,087.46
  5. Step 5: Solve for x
    x = 105,905,608,087.46/454,518.90
  6. Step 6: Final answer
    x = 233,005.95

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Similar ratio
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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.