Home / 231,300.48-319,202.40-130,704.96

Finding the Fourth Proportional to 231,300.48, 319,202.40 and 130,704.96

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Solution

The fourth proportional to 231,300.48, 319,202.40 and 130,704.96 is: 180,377.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,300.48 : 319,202.40 = 130,704.96 : x
  2. Step 2: Convert to fraction form
    231,300.48/319,202.40 = 130,704.96/x
  3. Step 3: Cross multiply
    231,300.48x = 319,202.40 × 130,704.96
  4. Step 4: Simplify right side
    231,300.48x = 41,721,336,923.90
  5. Step 5: Solve for x
    x = 41,721,336,923.90/231,300.48
  6. Step 6: Final answer
    x = 180,377.22

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.