Home / 349,384.90-482,168.28-196,471.24

Finding the Fourth Proportional to 349,384.90, 482,168.28 and 196,471.24

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Solution

The fourth proportional to 349,384.90, 482,168.28 and 196,471.24 is: 271,139.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,384.90 : 482,168.28 = 196,471.24 : x
  2. Step 2: Convert to fraction form
    349,384.90/482,168.28 = 196,471.24/x
  3. Step 3: Cross multiply
    349,384.90x = 482,168.28 × 196,471.24
  4. Step 4: Simplify right side
    349,384.90x = 94,732,199,860.27
  5. Step 5: Solve for x
    x = 94,732,199,860.27/349,384.90
  6. Step 6: Final answer
    x = 271,139.94

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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.