Home / 140,603.32-194,024.46-76,942.36

Finding the Fourth Proportional to 140,603.32, 194,024.46 and 76,942.36

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Solution

The fourth proportional to 140,603.32, 194,024.46 and 76,942.36 is: 106,176.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,603.32 : 194,024.46 = 76,942.36 : x
  2. Step 2: Convert to fraction form
    140,603.32/194,024.46 = 76,942.36/x
  3. Step 3: Cross multiply
    140,603.32x = 194,024.46 × 76,942.36
  4. Step 4: Simplify right side
    140,603.32x = 14,928,699,850.13
  5. Step 5: Solve for x
    x = 14,928,699,850.13/140,603.32
  6. Step 6: Final answer
    x = 106,176.01

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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.