Home / 352,867.80-486,949.14-191,719.20

Finding the Fourth Proportional to 352,867.80, 486,949.14 and 191,719.20

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Solution

The fourth proportional to 352,867.80, 486,949.14 and 191,719.20 is: 264,567.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,867.80 : 486,949.14 = 191,719.20 : x
  2. Step 2: Convert to fraction form
    352,867.80/486,949.14 = 191,719.20/x
  3. Step 3: Cross multiply
    352,867.80x = 486,949.14 × 191,719.20
  4. Step 4: Simplify right side
    352,867.80x = 93,357,499,561.49
  5. Step 5: Solve for x
    x = 93,357,499,561.49/352,867.80
  6. Step 6: Final answer
    x = 264,567.92

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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.