Home / 154,724.33-232,098.79-65,978.60

Finding the Fourth Proportional to 154,724.33, 232,098.79 and 65,978.60

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Solution

The fourth proportional to 154,724.33, 232,098.79 and 65,978.60 is: 98,973.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,724.33 : 232,098.79 = 65,978.60 : x
  2. Step 2: Convert to fraction form
    154,724.33/232,098.79 = 65,978.60/x
  3. Step 3: Cross multiply
    154,724.33x = 232,098.79 × 65,978.60
  4. Step 4: Simplify right side
    154,724.33x = 15,313,553,515.28
  5. Step 5: Solve for x
    x = 15,313,553,515.28/154,724.33
  6. Step 6: Final answer
    x = 98,973.15

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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.