Home / 123,304.27-170,159.88-66,715.65

Finding the Fourth Proportional to 123,304.27, 170,159.88 and 66,715.65

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Solution

The fourth proportional to 123,304.27, 170,159.88 and 66,715.65 is: 92,067.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,304.27 : 170,159.88 = 66,715.65 : x
  2. Step 2: Convert to fraction form
    123,304.27/170,159.88 = 66,715.65/x
  3. Step 3: Cross multiply
    123,304.27x = 170,159.88 × 66,715.65
  4. Step 4: Simplify right side
    123,304.27x = 11,352,326,998.12
  5. Step 5: Solve for x
    x = 11,352,326,998.12/123,304.27
  6. Step 6: Final answer
    x = 92,067.59

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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.