Home / 151,936.40-228,109.80-88,821.20

Finding the Fourth Proportional to 151,936.40, 228,109.80 and 88,821.20

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Solution

The fourth proportional to 151,936.40, 228,109.80 and 88,821.20 is: 133,351.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,936.40 : 228,109.80 = 88,821.20 : x
  2. Step 2: Convert to fraction form
    151,936.40/228,109.80 = 88,821.20/x
  3. Step 3: Cross multiply
    151,936.40x = 228,109.80 × 88,821.20
  4. Step 4: Simplify right side
    151,936.40x = 20,260,986,167.76
  5. Step 5: Solve for x
    x = 20,260,986,167.76/151,936.40
  6. Step 6: Final answer
    x = 133,351.76

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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.