Home / 352,106.19-485,899.05-199,124.22

Finding the Fourth Proportional to 352,106.19, 485,899.05 and 199,124.22

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Solution

The fourth proportional to 352,106.19, 485,899.05 and 199,124.22 is: 274,787.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,106.19 : 485,899.05 = 199,124.22 : x
  2. Step 2: Convert to fraction form
    352,106.19/485,899.05 = 199,124.22/x
  3. Step 3: Cross multiply
    352,106.19x = 485,899.05 × 199,124.22
  4. Step 4: Simplify right side
    352,106.19x = 96,754,271,898.83
  5. Step 5: Solve for x
    x = 96,754,271,898.83/352,106.19
  6. Step 6: Final answer
    x = 274,787.19

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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.