Home / 170,323.12-255,002.73-90,179.02

Finding the Fourth Proportional to 170,323.12, 255,002.73 and 90,179.02

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Solution

The fourth proportional to 170,323.12, 255,002.73 and 90,179.02 is: 135,013.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,323.12 : 255,002.73 = 90,179.02 : x
  2. Step 2: Convert to fraction form
    170,323.12/255,002.73 = 90,179.02/x
  3. Step 3: Cross multiply
    170,323.12x = 255,002.73 × 90,179.02
  4. Step 4: Simplify right side
    170,323.12x = 22,995,896,288.72
  5. Step 5: Solve for x
    x = 22,995,896,288.72/170,323.12
  6. Step 6: Final answer
    x = 135,013.36

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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.