Home / 126,876.67-175,087.84-69,515.53

Finding the Fourth Proportional to 126,876.67, 175,087.84 and 69,515.53

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Solution

The fourth proportional to 126,876.67, 175,087.84 and 69,515.53 is: 95,930.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,876.67 : 175,087.84 = 69,515.53 : x
  2. Step 2: Convert to fraction form
    126,876.67/175,087.84 = 69,515.53/x
  3. Step 3: Cross multiply
    126,876.67x = 175,087.84 × 69,515.53
  4. Step 4: Simplify right side
    126,876.67x = 12,171,323,994.16
  5. Step 5: Solve for x
    x = 12,171,323,994.16/126,876.67
  6. Step 6: Final answer
    x = 95,930.35

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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.