Home / 168,396.57-232,417.22-100,418.04

Finding the Fourth Proportional to 168,396.57, 232,417.22 and 100,418.04

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Solution

The fourth proportional to 168,396.57, 232,417.22 and 100,418.04 is: 138,594.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,396.57 : 232,417.22 = 100,418.04 : x
  2. Step 2: Convert to fraction form
    168,396.57/232,417.22 = 100,418.04/x
  3. Step 3: Cross multiply
    168,396.57x = 232,417.22 × 100,418.04
  4. Step 4: Simplify right side
    168,396.57x = 23,338,881,192.56
  5. Step 5: Solve for x
    x = 23,338,881,192.56/168,396.57
  6. Step 6: Final answer
    x = 138,594.75

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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.