Home / 129,082.79-193,557.38-57,944.18

Finding the Fourth Proportional to 129,082.79, 193,557.38 and 57,944.18

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Solution

The fourth proportional to 129,082.79, 193,557.38 and 57,944.18 is: 86,886.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,082.79 : 193,557.38 = 57,944.18 : x
  2. Step 2: Convert to fraction form
    129,082.79/193,557.38 = 57,944.18/x
  3. Step 3: Cross multiply
    129,082.79x = 193,557.38 × 57,944.18
  4. Step 4: Simplify right side
    129,082.79x = 11,215,522,409.54
  5. Step 5: Solve for x
    x = 11,215,522,409.54/129,082.79
  6. Step 6: Final answer
    x = 86,886.27

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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.