Home / 349,384.86-482,168.20-196,471.18

Finding the Fourth Proportional to 349,384.86, 482,168.20 and 196,471.18

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Solution

The fourth proportional to 349,384.86, 482,168.20 and 196,471.18 is: 271,139.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,384.86 : 482,168.20 = 196,471.18 : x
  2. Step 2: Convert to fraction form
    349,384.86/482,168.20 = 196,471.18/x
  3. Step 3: Cross multiply
    349,384.86x = 482,168.20 × 196,471.18
  4. Step 4: Simplify right side
    349,384.86x = 94,732,155,212.48
  5. Step 5: Solve for x
    x = 94,732,155,212.48/349,384.86
  6. Step 6: Final answer
    x = 271,139.84

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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.