Home / 347,713.38-521,570.07-189,855.72

Finding the Fourth Proportional to 347,713.38, 521,570.07 and 189,855.72

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Solution

The fourth proportional to 347,713.38, 521,570.07 and 189,855.72 is: 284,783.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,713.38 : 521,570.07 = 189,855.72 : x
  2. Step 2: Convert to fraction form
    347,713.38/521,570.07 = 189,855.72/x
  3. Step 3: Cross multiply
    347,713.38x = 521,570.07 × 189,855.72
  4. Step 4: Simplify right side
    347,713.38x = 99,023,061,170.30
  5. Step 5: Solve for x
    x = 99,023,061,170.30/347,713.38
  6. Step 6: Final answer
    x = 284,783.58

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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.