Home / 179,413.22-268,918.68-72,772.40

Finding the Fourth Proportional to 179,413.22, 268,918.68 and 72,772.40

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Solution

The fourth proportional to 179,413.22, 268,918.68 and 72,772.40 is: 109,077.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,413.22 : 268,918.68 = 72,772.40 : x
  2. Step 2: Convert to fraction form
    179,413.22/268,918.68 = 72,772.40/x
  3. Step 3: Cross multiply
    179,413.22x = 268,918.68 × 72,772.40
  4. Step 4: Simplify right side
    179,413.22x = 19,569,857,748.43
  5. Step 5: Solve for x
    x = 19,569,857,748.43/179,413.22
  6. Step 6: Final answer
    x = 109,077.01

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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.