Home / 166,498.20-249,747.30-115,759.80

Finding the Fourth Proportional to 166,498.20, 249,747.30 and 115,759.80

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Solution

The fourth proportional to 166,498.20, 249,747.30 and 115,759.80 is: 173,639.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,498.20 : 249,747.30 = 115,759.80 : x
  2. Step 2: Convert to fraction form
    166,498.20/249,747.30 = 115,759.80/x
  3. Step 3: Cross multiply
    166,498.20x = 249,747.30 × 115,759.80
  4. Step 4: Simplify right side
    166,498.20x = 28,910,697,498.54
  5. Step 5: Solve for x
    x = 28,910,697,498.54/166,498.20
  6. Step 6: Final answer
    x = 173,639.70

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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.