Home / 114,932.43-158,628.60-71,931.90

Finding the Fourth Proportional to 114,932.43, 158,628.60 and 71,931.90

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Solution

The fourth proportional to 114,932.43, 158,628.60 and 71,931.90 is: 99,279.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,932.43 : 158,628.60 = 71,931.90 : x
  2. Step 2: Convert to fraction form
    114,932.43/158,628.60 = 71,931.90/x
  3. Step 3: Cross multiply
    114,932.43x = 158,628.60 × 71,931.90
  4. Step 4: Simplify right side
    114,932.43x = 11,410,456,592.34
  5. Step 5: Solve for x
    x = 11,410,456,592.34/114,932.43
  6. Step 6: Final answer
    x = 99,279.69

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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.