Home / 157,764.16-217,591.14-101,180.80

Finding the Fourth Proportional to 157,764.16, 217,591.14 and 101,180.80

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Solution

The fourth proportional to 157,764.16, 217,591.14 and 101,180.80 is: 139,550.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,764.16 : 217,591.14 = 101,180.80 : x
  2. Step 2: Convert to fraction form
    157,764.16/217,591.14 = 101,180.80/x
  3. Step 3: Cross multiply
    157,764.16x = 217,591.14 × 101,180.80
  4. Step 4: Simplify right side
    157,764.16x = 22,016,045,618.11
  5. Step 5: Solve for x
    x = 22,016,045,618.11/157,764.16
  6. Step 6: Final answer
    x = 139,550.36

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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.