Home / 168,778.06-232,834.42-120,390.68

Finding the Fourth Proportional to 168,778.06, 232,834.42 and 120,390.68

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Solution

The fourth proportional to 168,778.06, 232,834.42 and 120,390.68 is: 166,082.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,778.06 : 232,834.42 = 120,390.68 : x
  2. Step 2: Convert to fraction form
    168,778.06/232,834.42 = 120,390.68/x
  3. Step 3: Cross multiply
    168,778.06x = 232,834.42 × 120,390.68
  4. Step 4: Simplify right side
    168,778.06x = 28,031,094,151.21
  5. Step 5: Solve for x
    x = 28,031,094,151.21/168,778.06
  6. Step 6: Final answer
    x = 166,082.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.