Home / 140,767.19-194,258.82-77,105.24

Finding the Fourth Proportional to 140,767.19, 194,258.82 and 77,105.24

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Solution

The fourth proportional to 140,767.19, 194,258.82 and 77,105.24 is: 106,405.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,767.19 : 194,258.82 = 77,105.24 : x
  2. Step 2: Convert to fraction form
    140,767.19/194,258.82 = 77,105.24/x
  3. Step 3: Cross multiply
    140,767.19x = 194,258.82 × 77,105.24
  4. Step 4: Simplify right side
    140,767.19x = 14,978,372,938.22
  5. Step 5: Solve for x
    x = 14,978,372,938.22/140,767.19
  6. Step 6: Final answer
    x = 106,405.28

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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.