Home / 159,337.26-219,884.22-87,718.50

Finding the Fourth Proportional to 159,337.26, 219,884.22 and 87,718.50

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Solution

The fourth proportional to 159,337.26, 219,884.22 and 87,718.50 is: 121,050.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,337.26 : 219,884.22 = 87,718.50 : x
  2. Step 2: Convert to fraction form
    159,337.26/219,884.22 = 87,718.50/x
  3. Step 3: Cross multiply
    159,337.26x = 219,884.22 × 87,718.50
  4. Step 4: Simplify right side
    159,337.26x = 19,287,913,952.07
  5. Step 5: Solve for x
    x = 19,287,913,952.07/159,337.26
  6. Step 6: Final answer
    x = 121,050.87

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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.