Home / 107,268.49-160,910.43-28,381.78

Finding the Fourth Proportional to 107,268.49, 160,910.43 and 28,381.78

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Solution

The fourth proportional to 107,268.49, 160,910.43 and 28,381.78 is: 42,574.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,268.49 : 160,910.43 = 28,381.78 : x
  2. Step 2: Convert to fraction form
    107,268.49/160,910.43 = 28,381.78/x
  3. Step 3: Cross multiply
    107,268.49x = 160,910.43 × 28,381.78
  4. Step 4: Simplify right side
    107,268.49x = 4,566,924,678.32
  5. Step 5: Solve for x
    x = 4,566,924,678.32/107,268.49
  6. Step 6: Final answer
    x = 42,574.71

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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.