Home / 176,144.26-243,079.08-100,694.38

Finding the Fourth Proportional to 176,144.26, 243,079.08 and 100,694.38

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Solution

The fourth proportional to 176,144.26, 243,079.08 and 100,694.38 is: 138,958.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,144.26 : 243,079.08 = 100,694.38 : x
  2. Step 2: Convert to fraction form
    176,144.26/243,079.08 = 100,694.38/x
  3. Step 3: Cross multiply
    176,144.26x = 243,079.08 × 100,694.38
  4. Step 4: Simplify right side
    176,144.26x = 24,476,697,251.57
  5. Step 5: Solve for x
    x = 24,476,697,251.57/176,144.26
  6. Step 6: Final answer
    x = 138,958.25

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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.