Home / 168,769.50-232,909.20-93,318

Finding the Fourth Proportional to 168,769.50, 232,909.20 and 93,318

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Solution

The fourth proportional to 168,769.50, 232,909.20 and 93,318 is: 128,782.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,769.50 : 232,909.20 = 93,318 : x
  2. Step 2: Convert to fraction form
    168,769.50/232,909.20 = 93,318/x
  3. Step 3: Cross multiply
    168,769.50x = 232,909.20 × 93,318
  4. Step 4: Simplify right side
    168,769.50x = 21,734,620,725.60
  5. Step 5: Solve for x
    x = 21,734,620,725.60/168,769.50
  6. Step 6: Final answer
    x = 128,782.87

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.