Home / 135,061.30-202,324.65-118,440.10

Finding the Fourth Proportional to 135,061.30, 202,324.65 and 118,440.10

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Solution

The fourth proportional to 135,061.30, 202,324.65 and 118,440.10 is: 177,425.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,061.30 : 202,324.65 = 118,440.10 : x
  2. Step 2: Convert to fraction form
    135,061.30/202,324.65 = 118,440.10/x
  3. Step 3: Cross multiply
    135,061.30x = 202,324.65 × 118,440.10
  4. Step 4: Simplify right side
    135,061.30x = 23,963,351,778.47
  5. Step 5: Solve for x
    x = 23,963,351,778.47/135,061.30
  6. Step 6: Final answer
    x = 177,425.75

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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.