Home / 140,848.57-194,376.00-77,186.37

Finding the Fourth Proportional to 140,848.57, 194,376.00 and 77,186.37

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Solution

The fourth proportional to 140,848.57, 194,376.00 and 77,186.37 is: 106,519.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,848.57 : 194,376.00 = 77,186.37 : x
  2. Step 2: Convert to fraction form
    140,848.57/194,376.00 = 77,186.37/x
  3. Step 3: Cross multiply
    140,848.57x = 194,376.00 × 77,186.37
  4. Step 4: Simplify right side
    140,848.57x = 15,003,177,780.11
  5. Step 5: Solve for x
    x = 15,003,177,780.11/140,848.57
  6. Step 6: Final answer
    x = 106,519.91

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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.