Home / 161,123.65-241,627.15-76,880.41

Finding the Fourth Proportional to 161,123.65, 241,627.15 and 76,880.41

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Solution

The fourth proportional to 161,123.65, 241,627.15 and 76,880.41 is: 115,292.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,123.65 : 241,627.15 = 76,880.41 : x
  2. Step 2: Convert to fraction form
    161,123.65/241,627.15 = 76,880.41/x
  3. Step 3: Cross multiply
    161,123.65x = 241,627.15 × 76,880.41
  4. Step 4: Simplify right side
    161,123.65x = 18,576,393,851.16
  5. Step 5: Solve for x
    x = 18,576,393,851.16/161,123.65
  6. Step 6: Final answer
    x = 115,292.78

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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.