Home / 162,979.62-224,921.33-91,382.68

Finding the Fourth Proportional to 162,979.62, 224,921.33 and 91,382.68

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Solution

The fourth proportional to 162,979.62, 224,921.33 and 91,382.68 is: 126,113.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,979.62 : 224,921.33 = 91,382.68 : x
  2. Step 2: Convert to fraction form
    162,979.62/224,921.33 = 91,382.68/x
  3. Step 3: Cross multiply
    162,979.62x = 224,921.33 × 91,382.68
  4. Step 4: Simplify right side
    162,979.62x = 20,553,913,924.56
  5. Step 5: Solve for x
    x = 20,553,913,924.56/162,979.62
  6. Step 6: Final answer
    x = 126,113.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.