Home / 171,981.73-257,877.87-92,113.30

Finding the Fourth Proportional to 171,981.73, 257,877.87 and 92,113.30

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Solution

The fourth proportional to 171,981.73, 257,877.87 and 92,113.30 is: 138,119.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,981.73 : 257,877.87 = 92,113.30 : x
  2. Step 2: Convert to fraction form
    171,981.73/257,877.87 = 92,113.30/x
  3. Step 3: Cross multiply
    171,981.73x = 257,877.87 × 92,113.30
  4. Step 4: Simplify right side
    171,981.73x = 23,753,981,602.67
  5. Step 5: Solve for x
    x = 23,753,981,602.67/171,981.73
  6. Step 6: Final answer
    x = 138,119.22

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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.