Home / 179,825.60-269,738.40-61,479.20

Finding the Fourth Proportional to 179,825.60, 269,738.40 and 61,479.20

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Solution

The fourth proportional to 179,825.60, 269,738.40 and 61,479.20 is: 92,218.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,825.60 : 269,738.40 = 61,479.20 : x
  2. Step 2: Convert to fraction form
    179,825.60/269,738.40 = 61,479.20/x
  3. Step 3: Cross multiply
    179,825.60x = 269,738.40 × 61,479.20
  4. Step 4: Simplify right side
    179,825.60x = 16,583,301,041.28
  5. Step 5: Solve for x
    x = 16,583,301,041.28/179,825.60
  6. Step 6: Final answer
    x = 92,218.80

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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.