Home / 123,301.83-170,156.52-66,713.21

Finding the Fourth Proportional to 123,301.83, 170,156.52 and 66,713.21

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Solution

The fourth proportional to 123,301.83, 170,156.52 and 66,713.21 is: 92,064.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,301.83 : 170,156.52 = 66,713.21 : x
  2. Step 2: Convert to fraction form
    123,301.83/170,156.52 = 66,713.21/x
  3. Step 3: Cross multiply
    123,301.83x = 170,156.52 × 66,713.21
  4. Step 4: Simplify right side
    123,301.83x = 11,351,687,438.93
  5. Step 5: Solve for x
    x = 11,351,687,438.93/123,301.83
  6. Step 6: Final answer
    x = 92,064.22

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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.