Home / 155,906.90-234,033.15-96,809.30

Finding the Fourth Proportional to 155,906.90, 234,033.15 and 96,809.30

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Solution

The fourth proportional to 155,906.90, 234,033.15 and 96,809.30 is: 145,321.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,906.90 : 234,033.15 = 96,809.30 : x
  2. Step 2: Convert to fraction form
    155,906.90/234,033.15 = 96,809.30/x
  3. Step 3: Cross multiply
    155,906.90x = 234,033.15 × 96,809.30
  4. Step 4: Simplify right side
    155,906.90x = 22,656,585,428.30
  5. Step 5: Solve for x
    x = 22,656,585,428.30/155,906.90
  6. Step 6: Final answer
    x = 145,321.25

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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.