Home / 294,819.80-442,229.70-188,531.60

Finding the Fourth Proportional to 294,819.80, 442,229.70 and 188,531.60

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Solution

The fourth proportional to 294,819.80, 442,229.70 and 188,531.60 is: 282,797.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,819.80 : 442,229.70 = 188,531.60 : x
  2. Step 2: Convert to fraction form
    294,819.80/442,229.70 = 188,531.60/x
  3. Step 3: Cross multiply
    294,819.80x = 442,229.70 × 188,531.60
  4. Step 4: Simplify right side
    294,819.80x = 83,374,272,908.52
  5. Step 5: Solve for x
    x = 83,374,272,908.52/294,819.80
  6. Step 6: Final answer
    x = 282,797.40

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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.