Home / 126,937.18-175,172.24-69,579.70

Finding the Fourth Proportional to 126,937.18, 175,172.24 and 69,579.70

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Solution

The fourth proportional to 126,937.18, 175,172.24 and 69,579.70 is: 96,019.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,937.18 : 175,172.24 = 69,579.70 : x
  2. Step 2: Convert to fraction form
    126,937.18/175,172.24 = 69,579.70/x
  3. Step 3: Cross multiply
    126,937.18x = 175,172.24 × 69,579.70
  4. Step 4: Simplify right side
    126,937.18x = 12,188,431,907.53
  5. Step 5: Solve for x
    x = 12,188,431,907.53/126,937.18
  6. Step 6: Final answer
    x = 96,019.40

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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.