Home / 168,752.62-253,588.77-89,923.18

Finding the Fourth Proportional to 168,752.62, 253,588.77 and 89,923.18

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Solution

The fourth proportional to 168,752.62, 253,588.77 and 89,923.18 is: 135,129.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,752.62 : 253,588.77 = 89,923.18 : x
  2. Step 2: Convert to fraction form
    168,752.62/253,588.77 = 89,923.18/x
  3. Step 3: Cross multiply
    168,752.62x = 253,588.77 × 89,923.18
  4. Step 4: Simplify right side
    168,752.62x = 22,803,508,610.69
  5. Step 5: Solve for x
    x = 22,803,508,610.69/168,752.62
  6. Step 6: Final answer
    x = 135,129.80

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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.