Home / 170,972.92-256,533.20-92,071.42

Finding the Fourth Proportional to 170,972.92, 256,533.20 and 92,071.42

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Solution

The fourth proportional to 170,972.92, 256,533.20 and 92,071.42 is: 138,146.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,972.92 : 256,533.20 = 92,071.42 : x
  2. Step 2: Convert to fraction form
    170,972.92/256,533.20 = 92,071.42/x
  3. Step 3: Cross multiply
    170,972.92x = 256,533.20 × 92,071.42
  4. Step 4: Simplify right side
    170,972.92x = 23,619,376,001.14
  5. Step 5: Solve for x
    x = 23,619,376,001.14/170,972.92
  6. Step 6: Final answer
    x = 138,146.88

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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.