Home / 110,278.80-152,112.96-64,918.53

Finding the Fourth Proportional to 110,278.80, 152,112.96 and 64,918.53

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Solution

The fourth proportional to 110,278.80, 152,112.96 and 64,918.53 is: 89,545.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,278.80 : 152,112.96 = 64,918.53 : x
  2. Step 2: Convert to fraction form
    110,278.80/152,112.96 = 64,918.53/x
  3. Step 3: Cross multiply
    110,278.80x = 152,112.96 × 64,918.53
  4. Step 4: Simplify right side
    110,278.80x = 9,874,949,757.15
  5. Step 5: Solve for x
    x = 9,874,949,757.15/110,278.80
  6. Step 6: Final answer
    x = 89,545.31

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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.