Home / 346,439.88-519,832.08-194,542.56

Finding the Fourth Proportional to 346,439.88, 519,832.08 and 194,542.56

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Solution

The fourth proportional to 346,439.88, 519,832.08 and 194,542.56 is: 291,910.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,439.88 : 519,832.08 = 194,542.56 : x
  2. Step 2: Convert to fraction form
    346,439.88/519,832.08 = 194,542.56/x
  3. Step 3: Cross multiply
    346,439.88x = 519,832.08 × 194,542.56
  4. Step 4: Simplify right side
    346,439.88x = 101,129,463,613.33
  5. Step 5: Solve for x
    x = 101,129,463,613.33/346,439.88
  6. Step 6: Final answer
    x = 291,910.57

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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.