Home / 159,337.83-219,877.63-91,351.50

Finding the Fourth Proportional to 159,337.83, 219,877.63 and 91,351.50

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Solution

The fourth proportional to 159,337.83, 219,877.63 and 91,351.50 is: 126,060.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,337.83 : 219,877.63 = 91,351.50 : x
  2. Step 2: Convert to fraction form
    159,337.83/219,877.63 = 91,351.50/x
  3. Step 3: Cross multiply
    159,337.83x = 219,877.63 × 91,351.50
  4. Step 4: Simplify right side
    159,337.83x = 20,086,151,316.95
  5. Step 5: Solve for x
    x = 20,086,151,316.95/159,337.83
  6. Step 6: Final answer
    x = 126,060.15

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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.