Home / 123,444.43-170,353.15-66,856.03

Finding the Fourth Proportional to 123,444.43, 170,353.15 and 66,856.03

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Solution

The fourth proportional to 123,444.43, 170,353.15 and 66,856.03 is: 92,261.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,444.43 : 170,353.15 = 66,856.03 : x
  2. Step 2: Convert to fraction form
    123,444.43/170,353.15 = 66,856.03/x
  3. Step 3: Cross multiply
    123,444.43x = 170,353.15 × 66,856.03
  4. Step 4: Simplify right side
    123,444.43x = 11,389,135,306.99
  5. Step 5: Solve for x
    x = 11,389,135,306.99/123,444.43
  6. Step 6: Final answer
    x = 92,261.23

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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.