Home / 147,266.85-203,229.23-83,605.71

Finding the Fourth Proportional to 147,266.85, 203,229.23 and 83,605.71

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Solution

The fourth proportional to 147,266.85, 203,229.23 and 83,605.71 is: 115,376.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,266.85 : 203,229.23 = 83,605.71 : x
  2. Step 2: Convert to fraction form
    147,266.85/203,229.23 = 83,605.71/x
  3. Step 3: Cross multiply
    147,266.85x = 203,229.23 × 83,605.71
  4. Step 4: Simplify right side
    147,266.85x = 16,991,123,648.87
  5. Step 5: Solve for x
    x = 16,991,123,648.87/147,266.85
  6. Step 6: Final answer
    x = 115,376.43

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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.