Home / 146,931.76-220,375.44-47,081.44

Finding the Fourth Proportional to 146,931.76, 220,375.44 and 47,081.44

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Solution

The fourth proportional to 146,931.76, 220,375.44 and 47,081.44 is: 70,615.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,931.76 : 220,375.44 = 47,081.44 : x
  2. Step 2: Convert to fraction form
    146,931.76/220,375.44 = 47,081.44/x
  3. Step 3: Cross multiply
    146,931.76x = 220,375.44 × 47,081.44
  4. Step 4: Simplify right side
    146,931.76x = 10,375,593,055.83
  5. Step 5: Solve for x
    x = 10,375,593,055.83/146,931.76
  6. Step 6: Final answer
    x = 70,615.05

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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.