Home / 110,818.60-166,227.90-40,688.80

Finding the Fourth Proportional to 110,818.60, 166,227.90 and 40,688.80

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Solution

The fourth proportional to 110,818.60, 166,227.90 and 40,688.80 is: 61,033.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,818.60 : 166,227.90 = 40,688.80 : x
  2. Step 2: Convert to fraction form
    110,818.60/166,227.90 = 40,688.80/x
  3. Step 3: Cross multiply
    110,818.60x = 166,227.90 × 40,688.80
  4. Step 4: Simplify right side
    110,818.60x = 6,763,613,777.52
  5. Step 5: Solve for x
    x = 6,763,613,777.52/110,818.60
  6. Step 6: Final answer
    x = 61,033.20

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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.