Home / 170,700.52-255,923.92-81,869.44

Finding the Fourth Proportional to 170,700.52, 255,923.92 and 81,869.44

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Solution

The fourth proportional to 170,700.52, 255,923.92 and 81,869.44 is: 122,743.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,700.52 : 255,923.92 = 81,869.44 : x
  2. Step 2: Convert to fraction form
    170,700.52/255,923.92 = 81,869.44/x
  3. Step 3: Cross multiply
    170,700.52x = 255,923.92 × 81,869.44
  4. Step 4: Simplify right side
    170,700.52x = 20,952,348,013.00
  5. Step 5: Solve for x
    x = 20,952,348,013.00/170,700.52
  6. Step 6: Final answer
    x = 122,743.32

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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.