Home / 134,144.40-201,216.60-132,394.80

Finding the Fourth Proportional to 134,144.40, 201,216.60 and 132,394.80

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Solution

The fourth proportional to 134,144.40, 201,216.60 and 132,394.80 is: 198,592.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,144.40 : 201,216.60 = 132,394.80 : x
  2. Step 2: Convert to fraction form
    134,144.40/201,216.60 = 132,394.80/x
  3. Step 3: Cross multiply
    134,144.40x = 201,216.60 × 132,394.80
  4. Step 4: Simplify right side
    134,144.40x = 26,640,031,513.68
  5. Step 5: Solve for x
    x = 26,640,031,513.68/134,144.40
  6. Step 6: Final answer
    x = 198,592.20

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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.