Home / 131,725.71-197,508.47-51,667.74

Finding the Fourth Proportional to 131,725.71, 197,508.47 and 51,667.74

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Solution

The fourth proportional to 131,725.71, 197,508.47 and 51,667.74 is: 77,470.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,725.71 : 197,508.47 = 51,667.74 : x
  2. Step 2: Convert to fraction form
    131,725.71/197,508.47 = 51,667.74/x
  3. Step 3: Cross multiply
    131,725.71x = 197,508.47 × 51,667.74
  4. Step 4: Simplify right side
    131,725.71x = 10,204,815,029.88
  5. Step 5: Solve for x
    x = 10,204,815,029.88/131,725.71
  6. Step 6: Final answer
    x = 77,470.19

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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.