Home / 134,197.60-185,165.04-80,468.32

Finding the Fourth Proportional to 134,197.60, 185,165.04 and 80,468.32

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Solution

The fourth proportional to 134,197.60, 185,165.04 and 80,468.32 is: 111,029.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,197.60 : 185,165.04 = 80,468.32 : x
  2. Step 2: Convert to fraction form
    134,197.60/185,165.04 = 80,468.32/x
  3. Step 3: Cross multiply
    134,197.60x = 185,165.04 × 80,468.32
  4. Step 4: Simplify right side
    134,197.60x = 14,899,919,691.53
  5. Step 5: Solve for x
    x = 14,899,919,691.53/134,197.60
  6. Step 6: Final answer
    x = 111,029.70

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.