Home / 134,153.38-185,122.72-73,722.72

Finding the Fourth Proportional to 134,153.38, 185,122.72 and 73,722.72

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Solution

The fourth proportional to 134,153.38, 185,122.72 and 73,722.72 is: 101,732.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,153.38 : 185,122.72 = 73,722.72 : x
  2. Step 2: Convert to fraction form
    134,153.38/185,122.72 = 73,722.72/x
  3. Step 3: Cross multiply
    134,153.38x = 185,122.72 × 73,722.72
  4. Step 4: Simplify right side
    134,153.38x = 13,647,750,823.87
  5. Step 5: Solve for x
    x = 13,647,750,823.87/134,153.38
  6. Step 6: Final answer
    x = 101,732.44

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Double scale
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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.