Home / 126,017.98-173,788.01-91,972.55

Finding the Fourth Proportional to 126,017.98, 173,788.01 and 91,972.55

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Solution

The fourth proportional to 126,017.98, 173,788.01 and 91,972.55 is: 126,836.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,017.98 : 173,788.01 = 91,972.55 : x
  2. Step 2: Convert to fraction form
    126,017.98/173,788.01 = 91,972.55/x
  3. Step 3: Cross multiply
    126,017.98x = 173,788.01 × 91,972.55
  4. Step 4: Simplify right side
    126,017.98x = 15,983,726,439.13
  5. Step 5: Solve for x
    x = 15,983,726,439.13/126,017.98
  6. Step 6: Final answer
    x = 126,836.87

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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.