Home / 123,587.20-185,380.80-34,843.60

Finding the Fourth Proportional to 123,587.20, 185,380.80 and 34,843.60

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Solution

The fourth proportional to 123,587.20, 185,380.80 and 34,843.60 is: 52,265.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,587.20 : 185,380.80 = 34,843.60 : x
  2. Step 2: Convert to fraction form
    123,587.20/185,380.80 = 34,843.60/x
  3. Step 3: Cross multiply
    123,587.20x = 185,380.80 × 34,843.60
  4. Step 4: Simplify right side
    123,587.20x = 6,459,334,442.88
  5. Step 5: Solve for x
    x = 6,459,334,442.88/123,587.20
  6. Step 6: Final answer
    x = 52,265.40

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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.