Home / 168,228.58-232,155.66-91,747.84

Finding the Fourth Proportional to 168,228.58, 232,155.66 and 91,747.84

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Solution

The fourth proportional to 168,228.58, 232,155.66 and 91,747.84 is: 126,612.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,228.58 : 232,155.66 = 91,747.84 : x
  2. Step 2: Convert to fraction form
    168,228.58/232,155.66 = 91,747.84/x
  3. Step 3: Cross multiply
    168,228.58x = 232,155.66 × 91,747.84
  4. Step 4: Simplify right side
    168,228.58x = 21,299,780,348.77
  5. Step 5: Solve for x
    x = 21,299,780,348.77/168,228.58
  6. Step 6: Final answer
    x = 126,612.14

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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.