Home / 123,552.39-185,261.97-66,656.79

Finding the Fourth Proportional to 123,552.39, 185,261.97 and 66,656.79

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Solution

The fourth proportional to 123,552.39, 185,261.97 and 66,656.79 is: 99,949.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,552.39 : 185,261.97 = 66,656.79 : x
  2. Step 2: Convert to fraction form
    123,552.39/185,261.97 = 66,656.79/x
  3. Step 3: Cross multiply
    123,552.39x = 185,261.97 × 66,656.79
  4. Step 4: Simplify right side
    123,552.39x = 12,348,967,302.97
  5. Step 5: Solve for x
    x = 12,348,967,302.97/123,552.39
  6. Step 6: Final answer
    x = 99,949.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.