Home / 187,466.10-281,199.15-120,981.30

Finding the Fourth Proportional to 187,466.10, 281,199.15 and 120,981.30

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Solution

The fourth proportional to 187,466.10, 281,199.15 and 120,981.30 is: 181,471.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,466.10 : 281,199.15 = 120,981.30 : x
  2. Step 2: Convert to fraction form
    187,466.10/281,199.15 = 120,981.30/x
  3. Step 3: Cross multiply
    187,466.10x = 281,199.15 × 120,981.30
  4. Step 4: Simplify right side
    187,466.10x = 34,019,838,725.90
  5. Step 5: Solve for x
    x = 34,019,838,725.90/187,466.10
  6. Step 6: Final answer
    x = 181,471.95

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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.