Home / 202,123.15-303,123.06-83,766.66

Finding the Fourth Proportional to 202,123.15, 303,123.06 and 83,766.66

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Solution

The fourth proportional to 202,123.15, 303,123.06 and 83,766.66 is: 125,624.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,123.15 : 303,123.06 = 83,766.66 : x
  2. Step 2: Convert to fraction form
    202,123.15/303,123.06 = 83,766.66/x
  3. Step 3: Cross multiply
    202,123.15x = 303,123.06 × 83,766.66
  4. Step 4: Simplify right side
    202,123.15x = 25,391,605,168.47
  5. Step 5: Solve for x
    x = 25,391,605,168.47/202,123.15
  6. Step 6: Final answer
    x = 125,624.43

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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.