Home / 168,358.37-232,383.13-99,511.61

Finding the Fourth Proportional to 168,358.37, 232,383.13 and 99,511.61

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Solution

The fourth proportional to 168,358.37, 232,383.13 and 99,511.61 is: 137,354.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,358.37 : 232,383.13 = 99,511.61 : x
  2. Step 2: Convert to fraction form
    168,358.37/232,383.13 = 99,511.61/x
  3. Step 3: Cross multiply
    168,358.37x = 232,383.13 × 99,511.61
  4. Step 4: Simplify right side
    168,358.37x = 23,124,817,992.44
  5. Step 5: Solve for x
    x = 23,124,817,992.44/168,358.37
  6. Step 6: Final answer
    x = 137,354.73

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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.