Home / 222,815.36-334,508-191,426.24

Finding the Fourth Proportional to 222,815.36, 334,508 and 191,426.24

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Solution

The fourth proportional to 222,815.36, 334,508 and 191,426.24 is: 287,384.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,815.36 : 334,508 = 191,426.24 : x
  2. Step 2: Convert to fraction form
    222,815.36/334,508 = 191,426.24/x
  3. Step 3: Cross multiply
    222,815.36x = 334,508 × 191,426.24
  4. Step 4: Simplify right side
    222,815.36x = 64,033,608,689.92
  5. Step 5: Solve for x
    x = 64,033,608,689.92/222,815.36
  6. Step 6: Final answer
    x = 287,384.18

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.