Home / 123,327.20-170,190.84-66,738.08

Finding the Fourth Proportional to 123,327.20, 170,190.84 and 66,738.08

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Solution

The fourth proportional to 123,327.20, 170,190.84 and 66,738.08 is: 92,098.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,327.20 : 170,190.84 = 66,738.08 : x
  2. Step 2: Convert to fraction form
    123,327.20/170,190.84 = 66,738.08/x
  3. Step 3: Cross multiply
    123,327.20x = 170,190.84 × 66,738.08
  4. Step 4: Simplify right side
    123,327.20x = 11,358,209,895.19
  5. Step 5: Solve for x
    x = 11,358,209,895.19/123,327.20
  6. Step 6: Final answer
    x = 92,098.17

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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.