Home / 123,332.13-170,198.55-66,743.55

Finding the Fourth Proportional to 123,332.13, 170,198.55 and 66,743.55

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Solution

The fourth proportional to 123,332.13, 170,198.55 and 66,743.55 is: 92,106.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,332.13 : 170,198.55 = 66,743.55 : x
  2. Step 2: Convert to fraction form
    123,332.13/170,198.55 = 66,743.55/x
  3. Step 3: Cross multiply
    123,332.13x = 170,198.55 × 66,743.55
  4. Step 4: Simplify right side
    123,332.13x = 11,359,655,431.85
  5. Step 5: Solve for x
    x = 11,359,655,431.85/123,332.13
  6. Step 6: Final answer
    x = 92,106.21

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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.