Home / 213,032.88-293,994.90-122,418.18

Finding the Fourth Proportional to 213,032.88, 293,994.90 and 122,418.18

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Solution

The fourth proportional to 213,032.88, 293,994.90 and 122,418.18 is: 168,942.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,032.88 : 293,994.90 = 122,418.18 : x
  2. Step 2: Convert to fraction form
    213,032.88/293,994.90 = 122,418.18/x
  3. Step 3: Cross multiply
    213,032.88x = 293,994.90 × 122,418.18
  4. Step 4: Simplify right side
    213,032.88x = 35,990,320,587.28
  5. Step 5: Solve for x
    x = 35,990,320,587.28/213,032.88
  6. Step 6: Final answer
    x = 168,942.56

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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.