Home / 106,251.26-146,579.35-71,784.93

Finding the Fourth Proportional to 106,251.26, 146,579.35 and 71,784.93

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Solution

The fourth proportional to 106,251.26, 146,579.35 and 71,784.93 is: 99,031.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,251.26 : 146,579.35 = 71,784.93 : x
  2. Step 2: Convert to fraction form
    106,251.26/146,579.35 = 71,784.93/x
  3. Step 3: Cross multiply
    106,251.26x = 146,579.35 × 71,784.93
  4. Step 4: Simplify right side
    106,251.26x = 10,522,188,682.11
  5. Step 5: Solve for x
    x = 10,522,188,682.11/106,251.26
  6. Step 6: Final answer
    x = 99,031.19

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.