Home / 126,301.68-189,437.40-98,249.76

Finding the Fourth Proportional to 126,301.68, 189,437.40 and 98,249.76

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Solution

The fourth proportional to 126,301.68, 189,437.40 and 98,249.76 is: 147,362.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,301.68 : 189,437.40 = 98,249.76 : x
  2. Step 2: Convert to fraction form
    126,301.68/189,437.40 = 98,249.76/x
  3. Step 3: Cross multiply
    126,301.68x = 189,437.40 × 98,249.76
  4. Step 4: Simplify right side
    126,301.68x = 18,612,179,085.02
  5. Step 5: Solve for x
    x = 18,612,179,085.02/126,301.68
  6. Step 6: Final answer
    x = 147,362.88

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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.