Home / 147,314.16-220,930.88-40,672.60

Finding the Fourth Proportional to 147,314.16, 220,930.88 and 40,672.60

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Solution

The fourth proportional to 147,314.16, 220,930.88 and 40,672.60 is: 60,997.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,314.16 : 220,930.88 = 40,672.60 : x
  2. Step 2: Convert to fraction form
    147,314.16/220,930.88 = 40,672.60/x
  3. Step 3: Cross multiply
    147,314.16x = 220,930.88 × 40,672.60
  4. Step 4: Simplify right side
    147,314.16x = 8,985,833,309.89
  5. Step 5: Solve for x
    x = 8,985,833,309.89/147,314.16
  6. Step 6: Final answer
    x = 60,997.76

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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.