Home / 465,452.12-698,164.22-128,513.36

Finding the Fourth Proportional to 465,452.12, 698,164.22 and 128,513.36

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Solution

The fourth proportional to 465,452.12, 698,164.22 and 128,513.36 is: 192,766.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    465,452.12 : 698,164.22 = 128,513.36 : x
  2. Step 2: Convert to fraction form
    465,452.12/698,164.22 = 128,513.36/x
  3. Step 3: Cross multiply
    465,452.12x = 698,164.22 × 128,513.36
  4. Step 4: Simplify right side
    465,452.12x = 89,723,429,743.98
  5. Step 5: Solve for x
    x = 89,723,429,743.98/465,452.12
  6. Step 6: Final answer
    x = 192,766.19

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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.