Home / 168,280.97-232,228.40-91,801.69

Finding the Fourth Proportional to 168,280.97, 232,228.40 and 91,801.69

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Solution

The fourth proportional to 168,280.97, 232,228.40 and 91,801.69 is: 126,686.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,280.97 : 232,228.40 = 91,801.69 : x
  2. Step 2: Convert to fraction form
    168,280.97/232,228.40 = 91,801.69/x
  3. Step 3: Cross multiply
    168,280.97x = 232,228.40 × 91,801.69
  4. Step 4: Simplify right side
    168,280.97x = 21,318,958,546.42
  5. Step 5: Solve for x
    x = 21,318,958,546.42/168,280.97
  6. Step 6: Final answer
    x = 126,686.69

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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.