Home / 168,215.11-252,098.49-79,492.16

Finding the Fourth Proportional to 168,215.11, 252,098.49 and 79,492.16

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Solution

The fourth proportional to 168,215.11, 252,098.49 and 79,492.16 is: 119,132.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,215.11 : 252,098.49 = 79,492.16 : x
  2. Step 2: Convert to fraction form
    168,215.11/252,098.49 = 79,492.16/x
  3. Step 3: Cross multiply
    168,215.11x = 252,098.49 × 79,492.16
  4. Step 4: Simplify right side
    168,215.11x = 20,039,853,502.84
  5. Step 5: Solve for x
    x = 20,039,853,502.84/168,215.11
  6. Step 6: Final answer
    x = 119,132.30

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1.5x scale

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.