Home / 147,561.28-203,616.08-83,022.57

Finding the Fourth Proportional to 147,561.28, 203,616.08 and 83,022.57

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Solution

The fourth proportional to 147,561.28, 203,616.08 and 83,022.57 is: 114,560.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,561.28 : 203,616.08 = 83,022.57 : x
  2. Step 2: Convert to fraction form
    147,561.28/203,616.08 = 83,022.57/x
  3. Step 3: Cross multiply
    147,561.28x = 203,616.08 × 83,022.57
  4. Step 4: Simplify right side
    147,561.28x = 16,904,730,151.15
  5. Step 5: Solve for x
    x = 16,904,730,151.15/147,561.28
  6. Step 6: Final answer
    x = 114,560.75

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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.