Home / 194,719.78-291,975.18-99,910.90

Finding the Fourth Proportional to 194,719.78, 291,975.18 and 99,910.90

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Solution

The fourth proportional to 194,719.78, 291,975.18 and 99,910.90 is: 149,812.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,719.78 : 291,975.18 = 99,910.90 : x
  2. Step 2: Convert to fraction form
    194,719.78/291,975.18 = 99,910.90/x
  3. Step 3: Cross multiply
    194,719.78x = 291,975.18 × 99,910.90
  4. Step 4: Simplify right side
    194,719.78x = 29,171,503,011.46
  5. Step 5: Solve for x
    x = 29,171,503,011.46/194,719.78
  6. Step 6: Final answer
    x = 149,812.74

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.