Home / 179,413.47-268,919.06-72,772.65

Finding the Fourth Proportional to 179,413.47, 268,919.06 and 72,772.65

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Solution

The fourth proportional to 179,413.47, 268,919.06 and 72,772.65 is: 109,077.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,413.47 : 268,919.06 = 72,772.65 : x
  2. Step 2: Convert to fraction form
    179,413.47/268,919.06 = 72,772.65/x
  3. Step 3: Cross multiply
    179,413.47x = 268,919.06 × 72,772.65
  4. Step 4: Simplify right side
    179,413.47x = 19,569,952,267.85
  5. Step 5: Solve for x
    x = 19,569,952,267.85/179,413.47
  6. Step 6: Final answer
    x = 109,077.39

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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.