Home / 179,222.40-268,718.40-74,083.20

Finding the Fourth Proportional to 179,222.40, 268,718.40 and 74,083.20

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Solution

The fourth proportional to 179,222.40, 268,718.40 and 74,083.20 is: 111,077.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,222.40 : 268,718.40 = 74,083.20 : x
  2. Step 2: Convert to fraction form
    179,222.40/268,718.40 = 74,083.20/x
  3. Step 3: Cross multiply
    179,222.40x = 268,718.40 × 74,083.20
  4. Step 4: Simplify right side
    179,222.40x = 19,907,518,970.88
  5. Step 5: Solve for x
    x = 19,907,518,970.88/179,222.40
  6. Step 6: Final answer
    x = 111,077.18

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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.