Home / 347,593.07-521,199.12-107,640.36

Finding the Fourth Proportional to 347,593.07, 521,199.12 and 107,640.36

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Solution

The fourth proportional to 347,593.07, 521,199.12 and 107,640.36 is: 161,401.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,593.07 : 521,199.12 = 107,640.36 : x
  2. Step 2: Convert to fraction form
    347,593.07/521,199.12 = 107,640.36/x
  3. Step 3: Cross multiply
    347,593.07x = 521,199.12 × 107,640.36
  4. Step 4: Simplify right side
    347,593.07x = 56,102,060,908.48
  5. Step 5: Solve for x
    x = 56,102,060,908.48/347,593.07
  6. Step 6: Final answer
    x = 161,401.55

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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.