Home / 253,875.20-380,958.60-96,216.80

Finding the Fourth Proportional to 253,875.20, 380,958.60 and 96,216.80

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Solution

The fourth proportional to 253,875.20, 380,958.60 and 96,216.80 is: 144,380.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,875.20 : 380,958.60 = 96,216.80 : x
  2. Step 2: Convert to fraction form
    253,875.20/380,958.60 = 96,216.80/x
  3. Step 3: Cross multiply
    253,875.20x = 380,958.60 × 96,216.80
  4. Step 4: Simplify right side
    253,875.20x = 36,654,617,424.48
  5. Step 5: Solve for x
    x = 36,654,617,424.48/253,875.20
  6. Step 6: Final answer
    x = 144,380.46

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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.