Home / 121,082.20-181,277.70-117,626.20

Finding the Fourth Proportional to 121,082.20, 181,277.70 and 117,626.20

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Solution

The fourth proportional to 121,082.20, 181,277.70 and 117,626.20 is: 176,103.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,082.20 : 181,277.70 = 117,626.20 : x
  2. Step 2: Convert to fraction form
    121,082.20/181,277.70 = 117,626.20/x
  3. Step 3: Cross multiply
    121,082.20x = 181,277.70 × 117,626.20
  4. Step 4: Simplify right side
    121,082.20x = 21,323,006,995.74
  5. Step 5: Solve for x
    x = 21,323,006,995.74/121,082.20
  6. Step 6: Final answer
    x = 176,103.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.