Home / 465,816.15-698,871.85-166,290.10

Finding the Fourth Proportional to 465,816.15, 698,871.85 and 166,290.10

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Solution

The fourth proportional to 465,816.15, 698,871.85 and 166,290.10 is: 249,487.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    465,816.15 : 698,871.85 = 166,290.10 : x
  2. Step 2: Convert to fraction form
    465,816.15/698,871.85 = 166,290.10/x
  3. Step 3: Cross multiply
    465,816.15x = 698,871.85 × 166,290.10
  4. Step 4: Simplify right side
    465,816.15x = 116,215,467,660.78
  5. Step 5: Solve for x
    x = 116,215,467,660.78/465,816.15
  6. Step 6: Final answer
    x = 249,487.85

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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.