Home / 222,838.57-307,417.71-132,198.40

Finding the Fourth Proportional to 222,838.57, 307,417.71 and 132,198.40

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Solution

The fourth proportional to 222,838.57, 307,417.71 and 132,198.40 is: 182,374.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,838.57 : 307,417.71 = 132,198.40 : x
  2. Step 2: Convert to fraction form
    222,838.57/307,417.71 = 132,198.40/x
  3. Step 3: Cross multiply
    222,838.57x = 307,417.71 × 132,198.40
  4. Step 4: Simplify right side
    222,838.57x = 40,640,129,393.66
  5. Step 5: Solve for x
    x = 40,640,129,393.66/222,838.57
  6. Step 6: Final answer
    x = 182,374.75

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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.