Home / 352,204.78-486,031.56-197,156.02

Finding the Fourth Proportional to 352,204.78, 486,031.56 and 197,156.02

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Solution

The fourth proportional to 352,204.78, 486,031.56 and 197,156.02 is: 272,069.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,204.78 : 486,031.56 = 197,156.02 : x
  2. Step 2: Convert to fraction form
    352,204.78/486,031.56 = 197,156.02/x
  3. Step 3: Cross multiply
    352,204.78x = 486,031.56 × 197,156.02
  4. Step 4: Simplify right side
    352,204.78x = 95,824,047,963.99
  5. Step 5: Solve for x
    x = 95,824,047,963.99/352,204.78
  6. Step 6: Final answer
    x = 272,069.13

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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.