Home / 129,043.32-178,099.18-92,864.53

Finding the Fourth Proportional to 129,043.32, 178,099.18 and 92,864.53

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Solution

The fourth proportional to 129,043.32, 178,099.18 and 92,864.53 is: 128,167.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,043.32 : 178,099.18 = 92,864.53 : x
  2. Step 2: Convert to fraction form
    129,043.32/178,099.18 = 92,864.53/x
  3. Step 3: Cross multiply
    129,043.32x = 178,099.18 × 92,864.53
  4. Step 4: Simplify right side
    129,043.32x = 16,539,096,634.55
  5. Step 5: Solve for x
    x = 16,539,096,634.55/129,043.32
  6. Step 6: Final answer
    x = 128,167.01

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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.