Home / 392,165.10-588,192.12-125,890.56

Finding the Fourth Proportional to 392,165.10, 588,192.12 and 125,890.56

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Solution

The fourth proportional to 392,165.10, 588,192.12 and 125,890.56 is: 188,818.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    392,165.10 : 588,192.12 = 125,890.56 : x
  2. Step 2: Convert to fraction form
    392,165.10/588,192.12 = 125,890.56/x
  3. Step 3: Cross multiply
    392,165.10x = 588,192.12 × 125,890.56
  4. Step 4: Simplify right side
    392,165.10x = 74,047,835,374.39
  5. Step 5: Solve for x
    x = 74,047,835,374.39/392,165.10
  6. Step 6: Final answer
    x = 188,818.01

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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.