Home / 129,366.60-178,429.68-114,232.56

Finding the Fourth Proportional to 129,366.60, 178,429.68 and 114,232.56

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Solution

The fourth proportional to 129,366.60, 178,429.68 and 114,232.56 is: 157,555.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,366.60 : 178,429.68 = 114,232.56 : x
  2. Step 2: Convert to fraction form
    129,366.60/178,429.68 = 114,232.56/x
  3. Step 3: Cross multiply
    129,366.60x = 178,429.68 × 114,232.56
  4. Step 4: Simplify right side
    129,366.60x = 20,382,479,126.38
  5. Step 5: Solve for x
    x = 20,382,479,126.38/129,366.60
  6. Step 6: Final answer
    x = 157,555.96

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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.