Home / 179,712.40-269,568.60-109,728.40

Finding the Fourth Proportional to 179,712.40, 269,568.60 and 109,728.40

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Solution

The fourth proportional to 179,712.40, 269,568.60 and 109,728.40 is: 164,592.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,712.40 : 269,568.60 = 109,728.40 : x
  2. Step 2: Convert to fraction form
    179,712.40/269,568.60 = 109,728.40/x
  3. Step 3: Cross multiply
    179,712.40x = 269,568.60 × 109,728.40
  4. Step 4: Simplify right side
    179,712.40x = 29,579,331,168.24
  5. Step 5: Solve for x
    x = 29,579,331,168.24/179,712.40
  6. Step 6: Final answer
    x = 164,592.60

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1.5x scale

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.