Home / 144,043.20-215,949.60-60,868.80

Finding the Fourth Proportional to 144,043.20, 215,949.60 and 60,868.80

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Solution

The fourth proportional to 144,043.20, 215,949.60 and 60,868.80 is: 91,254.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,043.20 : 215,949.60 = 60,868.80 : x
  2. Step 2: Convert to fraction form
    144,043.20/215,949.60 = 60,868.80/x
  3. Step 3: Cross multiply
    144,043.20x = 215,949.60 × 60,868.80
  4. Step 4: Simplify right side
    144,043.20x = 13,144,593,012.48
  5. Step 5: Solve for x
    x = 13,144,593,012.48/144,043.20
  6. Step 6: Final answer
    x = 91,254.52

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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.