Home / 175,761.33-263,639.66-42,642.69

Finding the Fourth Proportional to 175,761.33, 263,639.66 and 42,642.69

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Solution

The fourth proportional to 175,761.33, 263,639.66 and 42,642.69 is: 63,963.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,761.33 : 263,639.66 = 42,642.69 : x
  2. Step 2: Convert to fraction form
    175,761.33/263,639.66 = 42,642.69/x
  3. Step 3: Cross multiply
    175,761.33x = 263,639.66 × 42,642.69
  4. Step 4: Simplify right side
    175,761.33x = 11,242,304,079.87
  5. Step 5: Solve for x
    x = 11,242,304,079.87/175,761.33
  6. Step 6: Final answer
    x = 63,963.47

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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.