Home / 143,921.44-215,830.32-60,821.92

Finding the Fourth Proportional to 143,921.44, 215,830.32 and 60,821.92

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Solution

The fourth proportional to 143,921.44, 215,830.32 and 60,821.92 is: 91,210.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,921.44 : 215,830.32 = 60,821.92 : x
  2. Step 2: Convert to fraction form
    143,921.44/215,830.32 = 60,821.92/x
  3. Step 3: Cross multiply
    143,921.44x = 215,830.32 × 60,821.92
  4. Step 4: Simplify right side
    143,921.44x = 13,127,214,456.61
  5. Step 5: Solve for x
    x = 13,127,214,456.61/143,921.44
  6. Step 6: Final answer
    x = 91,210.97

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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.