Home / 346,145.04-477,723.96-200,919.78

Finding the Fourth Proportional to 346,145.04, 477,723.96 and 200,919.78

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Solution

The fourth proportional to 346,145.04, 477,723.96 and 200,919.78 is: 277,294.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,145.04 : 477,723.96 = 200,919.78 : x
  2. Step 2: Convert to fraction form
    346,145.04/477,723.96 = 200,919.78/x
  3. Step 3: Cross multiply
    346,145.04x = 477,723.96 × 200,919.78
  4. Step 4: Simplify right side
    346,145.04x = 95,984,192,943.93
  5. Step 5: Solve for x
    x = 95,984,192,943.93/346,145.04
  6. Step 6: Final answer
    x = 277,294.72

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.