Home / 194,620.50-291,929-61,500.78

Finding the Fourth Proportional to 194,620.50, 291,929 and 61,500.78

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Solution

The fourth proportional to 194,620.50, 291,929 and 61,500.78 is: 92,250.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,620.50 : 291,929 = 61,500.78 : x
  2. Step 2: Convert to fraction form
    194,620.50/291,929 = 61,500.78/x
  3. Step 3: Cross multiply
    194,620.50x = 291,929 × 61,500.78
  4. Step 4: Simplify right side
    194,620.50x = 17,953,861,204.62
  5. Step 5: Solve for x
    x = 17,953,861,204.62/194,620.50
  6. Step 6: Final answer
    x = 92,250.62

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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.