Home / 146,182.20-201,731.52-79,114.20

Finding the Fourth Proportional to 146,182.20, 201,731.52 and 79,114.20

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Solution

The fourth proportional to 146,182.20, 201,731.52 and 79,114.20 is: 109,177.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,182.20 : 201,731.52 = 79,114.20 : x
  2. Step 2: Convert to fraction form
    146,182.20/201,731.52 = 79,114.20/x
  3. Step 3: Cross multiply
    146,182.20x = 201,731.52 × 79,114.20
  4. Step 4: Simplify right side
    146,182.20x = 15,959,827,819.58
  5. Step 5: Solve for x
    x = 15,959,827,819.58/146,182.20
  6. Step 6: Final answer
    x = 109,177.64

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.