Home / 123,454.18-185,144.74-52,375.92

Finding the Fourth Proportional to 123,454.18, 185,144.74 and 52,375.92

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Solution

The fourth proportional to 123,454.18, 185,144.74 and 52,375.92 is: 78,548.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,454.18 : 185,144.74 = 52,375.92 : x
  2. Step 2: Convert to fraction form
    123,454.18/185,144.74 = 52,375.92/x
  3. Step 3: Cross multiply
    123,454.18x = 185,144.74 × 52,375.92
  4. Step 4: Simplify right side
    123,454.18x = 9,697,125,265.43
  5. Step 5: Solve for x
    x = 9,697,125,265.43/123,454.18
  6. Step 6: Final answer
    x = 78,548.38

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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.