Home / 146,845.55-202,634.27-81,436.47

Finding the Fourth Proportional to 146,845.55, 202,634.27 and 81,436.47

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Solution

The fourth proportional to 146,845.55, 202,634.27 and 81,436.47 is: 112,375.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,845.55 : 202,634.27 = 81,436.47 : x
  2. Step 2: Convert to fraction form
    146,845.55/202,634.27 = 81,436.47/x
  3. Step 3: Cross multiply
    146,845.55x = 202,634.27 × 81,436.47
  4. Step 4: Simplify right side
    146,845.55x = 16,501,819,242.64
  5. Step 5: Solve for x
    x = 16,501,819,242.64/146,845.55
  6. Step 6: Final answer
    x = 112,375.35

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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.