Home / 146,724.09-220,149.32-79,242.59

Finding the Fourth Proportional to 146,724.09, 220,149.32 and 79,242.59

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Solution

The fourth proportional to 146,724.09, 220,149.32 and 79,242.59 is: 118,898.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,724.09 : 220,149.32 = 79,242.59 : x
  2. Step 2: Convert to fraction form
    146,724.09/220,149.32 = 79,242.59/x
  3. Step 3: Cross multiply
    146,724.09x = 220,149.32 × 79,242.59
  4. Step 4: Simplify right side
    146,724.09x = 17,445,200,806.58
  5. Step 5: Solve for x
    x = 17,445,200,806.58/146,724.09
  6. Step 6: Final answer
    x = 118,898.00

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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.