Home / 249,993.10-374,953.20-72,481.60

Finding the Fourth Proportional to 249,993.10, 374,953.20 and 72,481.60

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Solution

The fourth proportional to 249,993.10, 374,953.20 and 72,481.60 is: 108,711.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,993.10 : 374,953.20 = 72,481.60 : x
  2. Step 2: Convert to fraction form
    249,993.10/374,953.20 = 72,481.60/x
  3. Step 3: Cross multiply
    249,993.10x = 374,953.20 × 72,481.60
  4. Step 4: Simplify right side
    249,993.10x = 27,177,207,861.12
  5. Step 5: Solve for x
    x = 27,177,207,861.12/249,993.10
  6. Step 6: Final answer
    x = 108,711.83

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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.