Home / 194,120.51-291,229.11-154,289.77

Finding the Fourth Proportional to 194,120.51, 291,229.11 and 154,289.77

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Solution

The fourth proportional to 194,120.51, 291,229.11 and 154,289.77 is: 231,473.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,120.51 : 291,229.11 = 154,289.77 : x
  2. Step 2: Convert to fraction form
    194,120.51/291,229.11 = 154,289.77/x
  3. Step 3: Cross multiply
    194,120.51x = 291,229.11 × 154,289.77
  4. Step 4: Simplify right side
    194,120.51x = 44,933,672,399.20
  5. Step 5: Solve for x
    x = 44,933,672,399.20/194,120.51
  6. Step 6: Final answer
    x = 231,473.08

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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.