Home / 151,567.20-227,496.60-76,771.80

Finding the Fourth Proportional to 151,567.20, 227,496.60 and 76,771.80

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Solution

The fourth proportional to 151,567.20, 227,496.60 and 76,771.80 is: 115,231.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,567.20 : 227,496.60 = 76,771.80 : x
  2. Step 2: Convert to fraction form
    151,567.20/227,496.60 = 76,771.80/x
  3. Step 3: Cross multiply
    151,567.20x = 227,496.60 × 76,771.80
  4. Step 4: Simplify right side
    151,567.20x = 17,465,323,475.88
  5. Step 5: Solve for x
    x = 17,465,323,475.88/151,567.20
  6. Step 6: Final answer
    x = 115,231.55

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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.