Home / 165,780.12-248,671.89-132,710.40

Finding the Fourth Proportional to 165,780.12, 248,671.89 and 132,710.40

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Solution

The fourth proportional to 165,780.12, 248,671.89 and 132,710.40 is: 199,066.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,780.12 : 248,671.89 = 132,710.40 : x
  2. Step 2: Convert to fraction form
    165,780.12/248,671.89 = 132,710.40/x
  3. Step 3: Cross multiply
    165,780.12x = 248,671.89 × 132,710.40
  4. Step 4: Simplify right side
    165,780.12x = 33,001,345,990.66
  5. Step 5: Solve for x
    x = 33,001,345,990.66/165,780.12
  6. Step 6: Final answer
    x = 199,066.97

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.