Home / 175,505.85-263,258.78-108,729.45

Finding the Fourth Proportional to 175,505.85, 263,258.78 and 108,729.45

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Solution

The fourth proportional to 175,505.85, 263,258.78 and 108,729.45 is: 163,094.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,505.85 : 263,258.78 = 108,729.45 : x
  2. Step 2: Convert to fraction form
    175,505.85/263,258.78 = 108,729.45/x
  3. Step 3: Cross multiply
    175,505.85x = 263,258.78 × 108,729.45
  4. Step 4: Simplify right side
    175,505.85x = 28,623,981,813.42
  5. Step 5: Solve for x
    x = 28,623,981,813.42/175,505.85
  6. Step 6: Final answer
    x = 163,094.18

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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.