Home / 123,520.10-185,280.15-44,636.90

Finding the Fourth Proportional to 123,520.10, 185,280.15 and 44,636.90

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Solution

The fourth proportional to 123,520.10, 185,280.15 and 44,636.90 is: 66,955.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,520.10 : 185,280.15 = 44,636.90 : x
  2. Step 2: Convert to fraction form
    123,520.10/185,280.15 = 44,636.90/x
  3. Step 3: Cross multiply
    123,520.10x = 185,280.15 × 44,636.90
  4. Step 4: Simplify right side
    123,520.10x = 8,270,331,527.54
  5. Step 5: Solve for x
    x = 8,270,331,527.54/123,520.10
  6. Step 6: Final answer
    x = 66,955.35

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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.