Home / 352,811.16-486,880.20-191,664.90

Finding the Fourth Proportional to 352,811.16, 486,880.20 and 191,664.90

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Solution

The fourth proportional to 352,811.16, 486,880.20 and 191,664.90 is: 264,498.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,811.16 : 486,880.20 = 191,664.90 : x
  2. Step 2: Convert to fraction form
    352,811.16/486,880.20 = 191,664.90/x
  3. Step 3: Cross multiply
    352,811.16x = 486,880.20 × 191,664.90
  4. Step 4: Simplify right side
    352,811.16x = 93,317,844,844.98
  5. Step 5: Solve for x
    x = 93,317,844,844.98/352,811.16
  6. Step 6: Final answer
    x = 264,498.00

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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.