Home / 465,621.80-698,432.70-166,440.20

Finding the Fourth Proportional to 465,621.80, 698,432.70 and 166,440.20

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Solution

The fourth proportional to 465,621.80, 698,432.70 and 166,440.20 is: 249,660.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    465,621.80 : 698,432.70 = 166,440.20 : x
  2. Step 2: Convert to fraction form
    465,621.80/698,432.70 = 166,440.20/x
  3. Step 3: Cross multiply
    465,621.80x = 698,432.70 × 166,440.20
  4. Step 4: Simplify right side
    465,621.80x = 116,247,278,274.54
  5. Step 5: Solve for x
    x = 116,247,278,274.54/465,621.80
  6. Step 6: Final answer
    x = 249,660.30

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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.