Home / 106,268.20-159,402.64-43,089.42

Finding the Fourth Proportional to 106,268.20, 159,402.64 and 43,089.42

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Solution

The fourth proportional to 106,268.20, 159,402.64 and 43,089.42 is: 64,634.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,268.20 : 159,402.64 = 43,089.42 : x
  2. Step 2: Convert to fraction form
    106,268.20/159,402.64 = 43,089.42/x
  3. Step 3: Cross multiply
    106,268.20x = 159,402.64 × 43,089.42
  4. Step 4: Simplify right side
    106,268.20x = 6,868,567,304.07
  5. Step 5: Solve for x
    x = 6,868,567,304.07/106,268.20
  6. Step 6: Final answer
    x = 64,634.27

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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.