Home / 352,738.16-486,772.02-199,774.11

Finding the Fourth Proportional to 352,738.16, 486,772.02 and 199,774.11

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Solution

The fourth proportional to 352,738.16, 486,772.02 and 199,774.11 is: 275,684.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,738.16 : 486,772.02 = 199,774.11 : x
  2. Step 2: Convert to fraction form
    352,738.16/486,772.02 = 199,774.11/x
  3. Step 3: Cross multiply
    352,738.16x = 486,772.02 × 199,774.11
  4. Step 4: Simplify right side
    352,738.16x = 97,244,447,068.40
  5. Step 5: Solve for x
    x = 97,244,447,068.40/352,738.16
  6. Step 6: Final answer
    x = 275,684.51

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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.