Home / 347,664.24-521,715.75-147,984.31

Finding the Fourth Proportional to 347,664.24, 521,715.75 and 147,984.31

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Solution

The fourth proportional to 347,664.24, 521,715.75 and 147,984.31 is: 222,069.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,664.24 : 521,715.75 = 147,984.31 : x
  2. Step 2: Convert to fraction form
    347,664.24/521,715.75 = 147,984.31/x
  3. Step 3: Cross multiply
    347,664.24x = 521,715.75 × 147,984.31
  4. Step 4: Simplify right side
    347,664.24x = 77,205,745,279.88
  5. Step 5: Solve for x
    x = 77,205,745,279.88/347,664.24
  6. Step 6: Final answer
    x = 222,069.85

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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.