Home / 168,179.40-232,088.66-91,699.76

Finding the Fourth Proportional to 168,179.40, 232,088.66 and 91,699.76

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Solution

The fourth proportional to 168,179.40, 232,088.66 and 91,699.76 is: 126,546.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,179.40 : 232,088.66 = 91,699.76 : x
  2. Step 2: Convert to fraction form
    168,179.40/232,088.66 = 91,699.76/x
  3. Step 3: Cross multiply
    168,179.40x = 232,088.66 × 91,699.76
  4. Step 4: Simplify right side
    168,179.40x = 21,282,472,801.78
  5. Step 5: Solve for x
    x = 21,282,472,801.78/168,179.40
  6. Step 6: Final answer
    x = 126,546.25

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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.