Home / 193,600.13-289,778.31-103,417.36

Finding the Fourth Proportional to 193,600.13, 289,778.31 and 103,417.36

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Solution

The fourth proportional to 193,600.13, 289,778.31 and 103,417.36 is: 154,793.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,600.13 : 289,778.31 = 103,417.36 : x
  2. Step 2: Convert to fraction form
    193,600.13/289,778.31 = 103,417.36/x
  3. Step 3: Cross multiply
    193,600.13x = 289,778.31 × 103,417.36
  4. Step 4: Simplify right side
    193,600.13x = 29,968,107,081.02
  5. Step 5: Solve for x
    x = 29,968,107,081.02/193,600.13
  6. Step 6: Final answer
    x = 154,793.84

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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.