Home / 107,158.41-160,721.73-28,278.18

Finding the Fourth Proportional to 107,158.41, 160,721.73 and 28,278.18

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Solution

The fourth proportional to 107,158.41, 160,721.73 and 28,278.18 is: 42,413.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,158.41 : 160,721.73 = 28,278.18 : x
  2. Step 2: Convert to fraction form
    107,158.41/160,721.73 = 28,278.18/x
  3. Step 3: Cross multiply
    107,158.41x = 160,721.73 × 28,278.18
  4. Step 4: Simplify right side
    107,158.41x = 4,544,918,010.85
  5. Step 5: Solve for x
    x = 4,544,918,010.85/107,158.41
  6. Step 6: Final answer
    x = 42,413.08

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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.