Home / 126,551.10-189,828.90-37,805.70

Finding the Fourth Proportional to 126,551.10, 189,828.90 and 37,805.70

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Solution

The fourth proportional to 126,551.10, 189,828.90 and 37,805.70 is: 56,709.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,551.10 : 189,828.90 = 37,805.70 : x
  2. Step 2: Convert to fraction form
    126,551.10/189,828.90 = 37,805.70/x
  3. Step 3: Cross multiply
    126,551.10x = 189,828.90 × 37,805.70
  4. Step 4: Simplify right side
    126,551.10x = 7,176,614,444.73
  5. Step 5: Solve for x
    x = 7,176,614,444.73/126,551.10
  6. Step 6: Final answer
    x = 56,709.22

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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.