Home / 126,731.57-174,877.68-75,734.15

Finding the Fourth Proportional to 126,731.57, 174,877.68 and 75,734.15

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Solution

The fourth proportional to 126,731.57, 174,877.68 and 75,734.15 is: 104,506.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,731.57 : 174,877.68 = 75,734.15 : x
  2. Step 2: Convert to fraction form
    126,731.57/174,877.68 = 75,734.15/x
  3. Step 3: Cross multiply
    126,731.57x = 174,877.68 × 75,734.15
  4. Step 4: Simplify right side
    126,731.57x = 13,244,211,574.38
  5. Step 5: Solve for x
    x = 13,244,211,574.38/126,731.57
  6. Step 6: Final answer
    x = 104,506.02

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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.