Home / 475,187.31-712,887.35-159,635.61

Finding the Fourth Proportional to 475,187.31, 712,887.35 and 159,635.61

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Solution

The fourth proportional to 475,187.31, 712,887.35 and 159,635.61 is: 239,489.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,187.31 : 712,887.35 = 159,635.61 : x
  2. Step 2: Convert to fraction form
    475,187.31/712,887.35 = 159,635.61/x
  3. Step 3: Cross multiply
    475,187.31x = 712,887.35 × 159,635.61
  4. Step 4: Simplify right side
    475,187.31x = 113,802,206,180.36
  5. Step 5: Solve for x
    x = 113,802,206,180.36/475,187.31
  6. Step 6: Final answer
    x = 239,489.15

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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.