Home / 117,839.38-176,786.75-38,953.60

Finding the Fourth Proportional to 117,839.38, 176,786.75 and 38,953.60

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Solution

The fourth proportional to 117,839.38, 176,786.75 and 38,953.60 is: 58,439.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,839.38 : 176,786.75 = 38,953.60 : x
  2. Step 2: Convert to fraction form
    117,839.38/176,786.75 = 38,953.60/x
  3. Step 3: Cross multiply
    117,839.38x = 176,786.75 × 38,953.60
  4. Step 4: Simplify right side
    117,839.38x = 6,886,480,344.80
  5. Step 5: Solve for x
    x = 6,886,480,344.80/117,839.38
  6. Step 6: Final answer
    x = 58,439.55

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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.