Home / 123,550.28-185,325.42-30,055.22

Finding the Fourth Proportional to 123,550.28, 185,325.42 and 30,055.22

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Solution

The fourth proportional to 123,550.28, 185,325.42 and 30,055.22 is: 45,082.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,550.28 : 185,325.42 = 30,055.22 : x
  2. Step 2: Convert to fraction form
    123,550.28/185,325.42 = 30,055.22/x
  3. Step 3: Cross multiply
    123,550.28x = 185,325.42 × 30,055.22
  4. Step 4: Simplify right side
    123,550.28x = 5,569,996,269.69
  5. Step 5: Solve for x
    x = 5,569,996,269.69/123,550.28
  6. Step 6: Final answer
    x = 45,082.83

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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.