Home / 147,242.67-220,884.89-47,379.66

Finding the Fourth Proportional to 147,242.67, 220,884.89 and 47,379.66

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Solution

The fourth proportional to 147,242.67, 220,884.89 and 47,379.66 is: 71,076.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,242.67 : 220,884.89 = 47,379.66 : x
  2. Step 2: Convert to fraction form
    147,242.67/220,884.89 = 47,379.66/x
  3. Step 3: Cross multiply
    147,242.67x = 220,884.89 × 47,379.66
  4. Step 4: Simplify right side
    147,242.67x = 10,465,450,750.44
  5. Step 5: Solve for x
    x = 10,465,450,750.44/147,242.67
  6. Step 6: Final answer
    x = 71,076.21

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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.