Home / 123,327.19-170,191.95-66,738.55

Finding the Fourth Proportional to 123,327.19, 170,191.95 and 66,738.55

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Solution

The fourth proportional to 123,327.19, 170,191.95 and 66,738.55 is: 92,099.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,327.19 : 170,191.95 = 66,738.55 : x
  2. Step 2: Convert to fraction form
    123,327.19/170,191.95 = 66,738.55/x
  3. Step 3: Cross multiply
    123,327.19x = 170,191.95 × 66,738.55
  4. Step 4: Simplify right side
    123,327.19x = 11,358,363,964.67
  5. Step 5: Solve for x
    x = 11,358,363,964.67/123,327.19
  6. Step 6: Final answer
    x = 92,099.43

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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.