Home / 152,836.80-229,255.20-42,028.80

Finding the Fourth Proportional to 152,836.80, 229,255.20 and 42,028.80

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Solution

The fourth proportional to 152,836.80, 229,255.20 and 42,028.80 is: 63,043.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,836.80 : 229,255.20 = 42,028.80 : x
  2. Step 2: Convert to fraction form
    152,836.80/229,255.20 = 42,028.80/x
  3. Step 3: Cross multiply
    152,836.80x = 229,255.20 × 42,028.80
  4. Step 4: Simplify right side
    152,836.80x = 9,635,320,949.76
  5. Step 5: Solve for x
    x = 9,635,320,949.76/152,836.80
  6. Step 6: Final answer
    x = 63,043.20

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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.