Home / 168,549.08-252,897.38-79,865.88

Finding the Fourth Proportional to 168,549.08, 252,897.38 and 79,865.88

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Solution

The fourth proportional to 168,549.08, 252,897.38 and 79,865.88 is: 119,833.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,549.08 : 252,897.38 = 79,865.88 : x
  2. Step 2: Convert to fraction form
    168,549.08/252,897.38 = 79,865.88/x
  3. Step 3: Cross multiply
    168,549.08x = 252,897.38 × 79,865.88
  4. Step 4: Simplify right side
    168,549.08x = 20,197,871,803.39
  5. Step 5: Solve for x
    x = 20,197,871,803.39/168,549.08
  6. Step 6: Final answer
    x = 119,833.77

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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.