Home / 126,123.28-189,162.24-32,623.36

Finding the Fourth Proportional to 126,123.28, 189,162.24 and 32,623.36

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Solution

The fourth proportional to 126,123.28, 189,162.24 and 32,623.36 is: 48,929.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,123.28 : 189,162.24 = 32,623.36 : x
  2. Step 2: Convert to fraction form
    126,123.28/189,162.24 = 32,623.36/x
  3. Step 3: Cross multiply
    126,123.28x = 189,162.24 × 32,623.36
  4. Step 4: Simplify right side
    126,123.28x = 6,171,107,853.93
  5. Step 5: Solve for x
    x = 6,171,107,853.93/126,123.28
  6. Step 6: Final answer
    x = 48,929.17

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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.