Home / 168,154.27-232,045.68-91,671.51

Finding the Fourth Proportional to 168,154.27, 232,045.68 and 91,671.51

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Solution

The fourth proportional to 168,154.27, 232,045.68 and 91,671.51 is: 126,502.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,154.27 : 232,045.68 = 91,671.51 : x
  2. Step 2: Convert to fraction form
    168,154.27/232,045.68 = 91,671.51/x
  3. Step 3: Cross multiply
    168,154.27x = 232,045.68 × 91,671.51
  4. Step 4: Simplify right side
    168,154.27x = 21,271,977,874.58
  5. Step 5: Solve for x
    x = 21,271,977,874.58/168,154.27
  6. Step 6: Final answer
    x = 126,502.75

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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.