Home / 179,466-247,668.20-99,983.12

Finding the Fourth Proportional to 179,466, 247,668.20 and 99,983.12

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Solution

The fourth proportional to 179,466, 247,668.20 and 99,983.12 is: 137,979.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,466 : 247,668.20 = 99,983.12 : x
  2. Step 2: Convert to fraction form
    179,466/247,668.20 = 99,983.12/x
  3. Step 3: Cross multiply
    179,466x = 247,668.20 × 99,983.12
  4. Step 4: Simplify right side
    179,466x = 24,762,639,360.78
  5. Step 5: Solve for x
    x = 24,762,639,360.78/179,466
  6. Step 6: Final answer
    x = 137,979.56

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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.