Home / 278,149.04-383,844.02-150,824.63

Finding the Fourth Proportional to 278,149.04, 383,844.02 and 150,824.63

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Solution

The fourth proportional to 278,149.04, 383,844.02 and 150,824.63 is: 208,137.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,149.04 : 383,844.02 = 150,824.63 : x
  2. Step 2: Convert to fraction form
    278,149.04/383,844.02 = 150,824.63/x
  3. Step 3: Cross multiply
    278,149.04x = 383,844.02 × 150,824.63
  4. Step 4: Simplify right side
    278,149.04x = 57,893,132,499.70
  5. Step 5: Solve for x
    x = 57,893,132,499.70/278,149.04
  6. Step 6: Final answer
    x = 208,137.09

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.