Home / 140,546.03-193,955.06-76,883.82

Finding the Fourth Proportional to 140,546.03, 193,955.06 and 76,883.82

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Solution

The fourth proportional to 140,546.03, 193,955.06 and 76,883.82 is: 106,100.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,546.03 : 193,955.06 = 76,883.82 : x
  2. Step 2: Convert to fraction form
    140,546.03/193,955.06 = 76,883.82/x
  3. Step 3: Cross multiply
    140,546.03x = 193,955.06 × 76,883.82
  4. Step 4: Simplify right side
    140,546.03x = 14,912,005,536.71
  5. Step 5: Solve for x
    x = 14,912,005,536.71/140,546.03
  6. Step 6: Final answer
    x = 106,100.51

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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.