Home / 346,399.20-519,613.20-109,736.64

Finding the Fourth Proportional to 346,399.20, 519,613.20 and 109,736.64

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Solution

The fourth proportional to 346,399.20, 519,613.20 and 109,736.64 is: 164,609.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,399.20 : 519,613.20 = 109,736.64 : x
  2. Step 2: Convert to fraction form
    346,399.20/519,613.20 = 109,736.64/x
  3. Step 3: Cross multiply
    346,399.20x = 519,613.20 × 109,736.64
  4. Step 4: Simplify right side
    346,399.20x = 57,020,606,667.65
  5. Step 5: Solve for x
    x = 57,020,606,667.65/346,399.20
  6. Step 6: Final answer
    x = 164,609.52

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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.