Home / 123,302.61-170,158.19-69,589.89

Finding the Fourth Proportional to 123,302.61, 170,158.19 and 69,589.89

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Solution

The fourth proportional to 123,302.61, 170,158.19 and 69,589.89 is: 96,034.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,302.61 : 170,158.19 = 69,589.89 : x
  2. Step 2: Convert to fraction form
    123,302.61/170,158.19 = 69,589.89/x
  3. Step 3: Cross multiply
    123,302.61x = 170,158.19 × 69,589.89
  4. Step 4: Simplify right side
    123,302.61x = 11,841,289,376.75
  5. Step 5: Solve for x
    x = 11,841,289,376.75/123,302.61
  6. Step 6: Final answer
    x = 96,034.38

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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.