Home / 168,023.77-231,872.08-91,542.63

Finding the Fourth Proportional to 168,023.77, 231,872.08 and 91,542.63

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Solution

The fourth proportional to 168,023.77, 231,872.08 and 91,542.63 is: 126,328.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,023.77 : 231,872.08 = 91,542.63 : x
  2. Step 2: Convert to fraction form
    168,023.77/231,872.08 = 91,542.63/x
  3. Step 3: Cross multiply
    168,023.77x = 231,872.08 × 91,542.63
  4. Step 4: Simplify right side
    168,023.77x = 21,226,180,026.77
  5. Step 5: Solve for x
    x = 21,226,180,026.77/168,023.77
  6. Step 6: Final answer
    x = 126,328.44

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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.