Home / 140,915.45-194,463.32-77,253.69

Finding the Fourth Proportional to 140,915.45, 194,463.32 and 77,253.69

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Solution

The fourth proportional to 140,915.45, 194,463.32 and 77,253.69 is: 106,610.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,915.45 : 194,463.32 = 77,253.69 : x
  2. Step 2: Convert to fraction form
    140,915.45/194,463.32 = 77,253.69/x
  3. Step 3: Cross multiply
    140,915.45x = 194,463.32 × 77,253.69
  4. Step 4: Simplify right side
    140,915.45x = 15,023,008,653.38
  5. Step 5: Solve for x
    x = 15,023,008,653.38/140,915.45
  6. Step 6: Final answer
    x = 106,610.09

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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.