Home / 578,088.52-867,215.47-178,760.09

Finding the Fourth Proportional to 578,088.52, 867,215.47 and 178,760.09

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Solution

The fourth proportional to 578,088.52, 867,215.47 and 178,760.09 is: 268,165.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,088.52 : 867,215.47 = 178,760.09 : x
  2. Step 2: Convert to fraction form
    578,088.52/867,215.47 = 178,760.09/x
  3. Step 3: Cross multiply
    578,088.52x = 867,215.47 × 178,760.09
  4. Step 4: Simplify right side
    578,088.52x = 155,023,511,353.97
  5. Step 5: Solve for x
    x = 155,023,511,353.97/578,088.52
  6. Step 6: Final answer
    x = 268,165.70

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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.