Home / 175,728.40-263,234.20-108,963.60

Finding the Fourth Proportional to 175,728.40, 263,234.20 and 108,963.60

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Solution

The fourth proportional to 175,728.40, 263,234.20 and 108,963.60 is: 163,223.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,728.40 : 263,234.20 = 108,963.60 : x
  2. Step 2: Convert to fraction form
    175,728.40/263,234.20 = 108,963.60/x
  3. Step 3: Cross multiply
    175,728.40x = 263,234.20 × 108,963.60
  4. Step 4: Simplify right side
    175,728.40x = 28,682,946,075.12
  5. Step 5: Solve for x
    x = 28,682,946,075.12/175,728.40
  6. Step 6: Final answer
    x = 163,223.17

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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.