Home / 221,799.04-306,082.24-126,305.76

Finding the Fourth Proportional to 221,799.04, 306,082.24 and 126,305.76

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Solution

The fourth proportional to 221,799.04, 306,082.24 and 126,305.76 is: 174,301.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,799.04 : 306,082.24 = 126,305.76 : x
  2. Step 2: Convert to fraction form
    221,799.04/306,082.24 = 126,305.76/x
  3. Step 3: Cross multiply
    221,799.04x = 306,082.24 × 126,305.76
  4. Step 4: Simplify right side
    221,799.04x = 38,659,949,945.70
  5. Step 5: Solve for x
    x = 38,659,949,945.70/221,799.04
  6. Step 6: Final answer
    x = 174,301.70

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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.