Home / 261,996.12-392,665.32-112,060.17

Finding the Fourth Proportional to 261,996.12, 392,665.32 and 112,060.17

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Solution

The fourth proportional to 261,996.12, 392,665.32 and 112,060.17 is: 167,949.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,996.12 : 392,665.32 = 112,060.17 : x
  2. Step 2: Convert to fraction form
    261,996.12/392,665.32 = 112,060.17/x
  3. Step 3: Cross multiply
    261,996.12x = 392,665.32 × 112,060.17
  4. Step 4: Simplify right side
    261,996.12x = 44,002,142,512.30
  5. Step 5: Solve for x
    x = 44,002,142,512.30/261,996.12
  6. Step 6: Final answer
    x = 167,949.60

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1.5x scale

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.