Home / 251,025.40-376,538.10-144,737.20

Finding the Fourth Proportional to 251,025.40, 376,538.10 and 144,737.20

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Solution

The fourth proportional to 251,025.40, 376,538.10 and 144,737.20 is: 217,105.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,025.40 : 376,538.10 = 144,737.20 : x
  2. Step 2: Convert to fraction form
    251,025.40/376,538.10 = 144,737.20/x
  3. Step 3: Cross multiply
    251,025.40x = 376,538.10 × 144,737.20
  4. Step 4: Simplify right side
    251,025.40x = 54,499,070,287.32
  5. Step 5: Solve for x
    x = 54,499,070,287.32/251,025.40
  6. Step 6: Final answer
    x = 217,105.80

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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.