Home / 126,028.20-189,042.30-94,535.40

Finding the Fourth Proportional to 126,028.20, 189,042.30 and 94,535.40

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Solution

The fourth proportional to 126,028.20, 189,042.30 and 94,535.40 is: 141,803.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,028.20 : 189,042.30 = 94,535.40 : x
  2. Step 2: Convert to fraction form
    126,028.20/189,042.30 = 94,535.40/x
  3. Step 3: Cross multiply
    126,028.20x = 189,042.30 × 94,535.40
  4. Step 4: Simplify right side
    126,028.20x = 17,871,189,447.42
  5. Step 5: Solve for x
    x = 17,871,189,447.42/126,028.20
  6. Step 6: Final answer
    x = 141,803.10

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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.