Home / 159,806.13-220,532.25-88,186.15

Finding the Fourth Proportional to 159,806.13, 220,532.25 and 88,186.15

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Solution

The fourth proportional to 159,806.13, 220,532.25 and 88,186.15 is: 121,696.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,806.13 : 220,532.25 = 88,186.15 : x
  2. Step 2: Convert to fraction form
    159,806.13/220,532.25 = 88,186.15/x
  3. Step 3: Cross multiply
    159,806.13x = 220,532.25 × 88,186.15
  4. Step 4: Simplify right side
    159,806.13x = 19,447,890,078.34
  5. Step 5: Solve for x
    x = 19,447,890,078.34/159,806.13
  6. Step 6: Final answer
    x = 121,696.77

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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.