Home / 161,621.92-241,985.76-82,565.92

Finding the Fourth Proportional to 161,621.92, 241,985.76 and 82,565.92

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Solution

The fourth proportional to 161,621.92, 241,985.76 and 82,565.92 is: 123,620.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,621.92 : 241,985.76 = 82,565.92 : x
  2. Step 2: Convert to fraction form
    161,621.92/241,985.76 = 82,565.92/x
  3. Step 3: Cross multiply
    161,621.92x = 241,985.76 × 82,565.92
  4. Step 4: Simplify right side
    161,621.92x = 19,979,776,901.30
  5. Step 5: Solve for x
    x = 19,979,776,901.30/161,621.92
  6. Step 6: Final answer
    x = 123,620.46

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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.