Home / 159,456.36-220,050.90-91,476.30

Finding the Fourth Proportional to 159,456.36, 220,050.90 and 91,476.30

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Solution

The fourth proportional to 159,456.36, 220,050.90 and 91,476.30 is: 126,237.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,456.36 : 220,050.90 = 91,476.30 : x
  2. Step 2: Convert to fraction form
    159,456.36/220,050.90 = 91,476.30/x
  3. Step 3: Cross multiply
    159,456.36x = 220,050.90 × 91,476.30
  4. Step 4: Simplify right side
    159,456.36x = 20,129,442,143.67
  5. Step 5: Solve for x
    x = 20,129,442,143.67/159,456.36
  6. Step 6: Final answer
    x = 126,237.94

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.