Home / 113,972.80-170,959.20-108,529.60

Finding the Fourth Proportional to 113,972.80, 170,959.20 and 108,529.60

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Solution

The fourth proportional to 113,972.80, 170,959.20 and 108,529.60 is: 162,794.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,972.80 : 170,959.20 = 108,529.60 : x
  2. Step 2: Convert to fraction form
    113,972.80/170,959.20 = 108,529.60/x
  3. Step 3: Cross multiply
    113,972.80x = 170,959.20 × 108,529.60
  4. Step 4: Simplify right side
    113,972.80x = 18,554,133,592.32
  5. Step 5: Solve for x
    x = 18,554,133,592.32/113,972.80
  6. Step 6: Final answer
    x = 162,794.40

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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.