Home / 123,764.14-185,616.45-57,140.26

Finding the Fourth Proportional to 123,764.14, 185,616.45 and 57,140.26

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Solution

The fourth proportional to 123,764.14, 185,616.45 and 57,140.26 is: 85,696.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,764.14 : 185,616.45 = 57,140.26 : x
  2. Step 2: Convert to fraction form
    123,764.14/185,616.45 = 57,140.26/x
  3. Step 3: Cross multiply
    123,764.14x = 185,616.45 × 57,140.26
  4. Step 4: Simplify right side
    123,764.14x = 10,606,172,213.28
  5. Step 5: Solve for x
    x = 10,606,172,213.28/123,764.14
  6. Step 6: Final answer
    x = 85,696.65

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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.