Home / 119,367.91-164,672.50-71,538.22

Finding the Fourth Proportional to 119,367.91, 164,672.50 and 71,538.22

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Solution

The fourth proportional to 119,367.91, 164,672.50 and 71,538.22 is: 98,689.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,367.91 : 164,672.50 = 71,538.22 : x
  2. Step 2: Convert to fraction form
    119,367.91/164,672.50 = 71,538.22/x
  3. Step 3: Cross multiply
    119,367.91x = 164,672.50 × 71,538.22
  4. Step 4: Simplify right side
    119,367.91x = 11,780,377,765.79
  5. Step 5: Solve for x
    x = 11,780,377,765.79/119,367.91
  6. Step 6: Final answer
    x = 98,689.65

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1.5x scale

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.