Home / 213,436.39-294,542.32-117,943.08

Finding the Fourth Proportional to 213,436.39, 294,542.32 and 117,943.08

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Solution

The fourth proportional to 213,436.39, 294,542.32 and 117,943.08 is: 162,761.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,436.39 : 294,542.32 = 117,943.08 : x
  2. Step 2: Convert to fraction form
    213,436.39/294,542.32 = 117,943.08/x
  3. Step 3: Cross multiply
    213,436.39x = 294,542.32 × 117,943.08
  4. Step 4: Simplify right side
    213,436.39x = 34,739,227,821.43
  5. Step 5: Solve for x
    x = 34,739,227,821.43/213,436.39
  6. Step 6: Final answer
    x = 162,761.51

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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.