Home / 151,730.67-227,641.56-71,829.53

Finding the Fourth Proportional to 151,730.67, 227,641.56 and 71,829.53

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Solution

The fourth proportional to 151,730.67, 227,641.56 and 71,829.53 is: 107,765.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,730.67 : 227,641.56 = 71,829.53 : x
  2. Step 2: Convert to fraction form
    151,730.67/227,641.56 = 71,829.53/x
  3. Step 3: Cross multiply
    151,730.67x = 227,641.56 × 71,829.53
  4. Step 4: Simplify right side
    151,730.67x = 16,351,386,832.37
  5. Step 5: Solve for x
    x = 16,351,386,832.37/151,730.67
  6. Step 6: Final answer
    x = 107,765.86

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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.