Home / 123,764.12-185,616.46-57,140.24

Finding the Fourth Proportional to 123,764.12, 185,616.46 and 57,140.24

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Solution

The fourth proportional to 123,764.12, 185,616.46 and 57,140.24 is: 85,696.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,764.12 : 185,616.46 = 57,140.24 : x
  2. Step 2: Convert to fraction form
    123,764.12/185,616.46 = 57,140.24/x
  3. Step 3: Cross multiply
    123,764.12x = 185,616.46 × 57,140.24
  4. Step 4: Simplify right side
    123,764.12x = 10,606,169,072.35
  5. Step 5: Solve for x
    x = 10,606,169,072.35/123,764.12
  6. Step 6: Final answer
    x = 85,696.64

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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.