Home / 129,115.49-193,684.39-35,621.24

Finding the Fourth Proportional to 129,115.49, 193,684.39 and 35,621.24

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Solution

The fourth proportional to 129,115.49, 193,684.39 and 35,621.24 is: 53,434.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,115.49 : 193,684.39 = 35,621.24 : x
  2. Step 2: Convert to fraction form
    129,115.49/193,684.39 = 35,621.24/x
  3. Step 3: Cross multiply
    129,115.49x = 193,684.39 × 35,621.24
  4. Step 4: Simplify right side
    129,115.49x = 6,899,277,082.97
  5. Step 5: Solve for x
    x = 6,899,277,082.97/129,115.49
  6. Step 6: Final answer
    x = 53,434.93

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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.