Home / 193,252.40-289,734.60-99,825.20

Finding the Fourth Proportional to 193,252.40, 289,734.60 and 99,825.20

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Solution

The fourth proportional to 193,252.40, 289,734.60 and 99,825.20 is: 149,663.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,252.40 : 289,734.60 = 99,825.20 : x
  2. Step 2: Convert to fraction form
    193,252.40/289,734.60 = 99,825.20/x
  3. Step 3: Cross multiply
    193,252.40x = 289,734.60 × 99,825.20
  4. Step 4: Simplify right side
    193,252.40x = 28,922,814,391.92
  5. Step 5: Solve for x
    x = 28,922,814,391.92/193,252.40
  6. Step 6: Final answer
    x = 149,663.42

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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.