Home / 163,156.11-244,704.96-103,815.51

Finding the Fourth Proportional to 163,156.11, 244,704.96 and 103,815.51

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Solution

The fourth proportional to 163,156.11, 244,704.96 and 103,815.51 is: 155,704.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,156.11 : 244,704.96 = 103,815.51 : x
  2. Step 2: Convert to fraction form
    163,156.11/244,704.96 = 103,815.51/x
  3. Step 3: Cross multiply
    163,156.11x = 244,704.96 × 103,815.51
  4. Step 4: Simplify right side
    163,156.11x = 25,404,170,221.93
  5. Step 5: Solve for x
    x = 25,404,170,221.93/163,156.11
  6. Step 6: Final answer
    x = 155,704.68

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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.