Home / 168,534.25-252,875.18-79,851.13

Finding the Fourth Proportional to 168,534.25, 252,875.18 and 79,851.13

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Solution

The fourth proportional to 168,534.25, 252,875.18 and 79,851.13 is: 119,811.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,534.25 : 252,875.18 = 79,851.13 : x
  2. Step 2: Convert to fraction form
    168,534.25/252,875.18 = 79,851.13/x
  3. Step 3: Cross multiply
    168,534.25x = 252,875.18 × 79,851.13
  4. Step 4: Simplify right side
    168,534.25x = 20,192,368,871.95
  5. Step 5: Solve for x
    x = 20,192,368,871.95/168,534.25
  6. Step 6: Final answer
    x = 119,811.66

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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.