Home / 222,963.28-307,184.32-212,334.46

Finding the Fourth Proportional to 222,963.28, 307,184.32 and 212,334.46

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Solution

The fourth proportional to 222,963.28, 307,184.32 and 212,334.46 is: 292,540.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,963.28 : 307,184.32 = 212,334.46 : x
  2. Step 2: Convert to fraction form
    222,963.28/307,184.32 = 212,334.46/x
  3. Step 3: Cross multiply
    222,963.28x = 307,184.32 × 212,334.46
  4. Step 4: Simplify right side
    222,963.28x = 65,225,814,110.07
  5. Step 5: Solve for x
    x = 65,225,814,110.07/222,963.28
  6. Step 6: Final answer
    x = 292,540.62

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1.5x scale

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.