Home / 141,158.62-194,799.21-77,500.51

Finding the Fourth Proportional to 141,158.62, 194,799.21 and 77,500.51

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Solution

The fourth proportional to 141,158.62, 194,799.21 and 77,500.51 is: 106,950.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,158.62 : 194,799.21 = 77,500.51 : x
  2. Step 2: Convert to fraction form
    141,158.62/194,799.21 = 77,500.51/x
  3. Step 3: Cross multiply
    141,158.62x = 194,799.21 × 77,500.51
  4. Step 4: Simplify right side
    141,158.62x = 15,097,038,122.60
  5. Step 5: Solve for x
    x = 15,097,038,122.60/141,158.62
  6. Step 6: Final answer
    x = 106,950.88

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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.