Home / 194,619.50-291,927.50-61,499.78

Finding the Fourth Proportional to 194,619.50, 291,927.50 and 61,499.78

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Solution

The fourth proportional to 194,619.50, 291,927.50 and 61,499.78 is: 92,249.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,619.50 : 291,927.50 = 61,499.78 : x
  2. Step 2: Convert to fraction form
    194,619.50/291,927.50 = 61,499.78/x
  3. Step 3: Cross multiply
    194,619.50x = 291,927.50 × 61,499.78
  4. Step 4: Simplify right side
    194,619.50x = 17,953,477,025.95
  5. Step 5: Solve for x
    x = 17,953,477,025.95/194,619.50
  6. Step 6: Final answer
    x = 92,249.12

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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.