Home / 123,304.55-170,160.26-66,715.93

Finding the Fourth Proportional to 123,304.55, 170,160.26 and 66,715.93

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Solution

The fourth proportional to 123,304.55, 170,160.26 and 66,715.93 is: 92,067.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,304.55 : 170,160.26 = 66,715.93 : x
  2. Step 2: Convert to fraction form
    123,304.55/170,160.26 = 66,715.93/x
  3. Step 3: Cross multiply
    123,304.55x = 170,160.26 × 66,715.93
  4. Step 4: Simplify right side
    123,304.55x = 11,352,399,994.94
  5. Step 5: Solve for x
    x = 11,352,399,994.94/123,304.55
  6. Step 6: Final answer
    x = 92,067.97

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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.