Home / 168,401.16-232,387.80-100,383.07

Finding the Fourth Proportional to 168,401.16, 232,387.80 and 100,383.07

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Solution

The fourth proportional to 168,401.16, 232,387.80 and 100,383.07 is: 138,525.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,401.16 : 232,387.80 = 100,383.07 : x
  2. Step 2: Convert to fraction form
    168,401.16/232,387.80 = 100,383.07/x
  3. Step 3: Cross multiply
    168,401.16x = 232,387.80 × 100,383.07
  4. Step 4: Simplify right side
    168,401.16x = 23,327,800,794.55
  5. Step 5: Solve for x
    x = 23,327,800,794.55/168,401.16
  6. Step 6: Final answer
    x = 138,525.18

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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.