Home / 168,418.12-232,415.58-92,965

Finding the Fourth Proportional to 168,418.12, 232,415.58 and 92,965

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Solution

The fourth proportional to 168,418.12, 232,415.58 and 92,965 is: 128,290.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,418.12 : 232,415.58 = 92,965 : x
  2. Step 2: Convert to fraction form
    168,418.12/232,415.58 = 92,965/x
  3. Step 3: Cross multiply
    168,418.12x = 232,415.58 × 92,965
  4. Step 4: Simplify right side
    168,418.12x = 21,606,514,394.70
  5. Step 5: Solve for x
    x = 21,606,514,394.70/168,418.12
  6. Step 6: Final answer
    x = 128,290.91

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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.