Home / 168,613.86-232,667.22-100,618.23

Finding the Fourth Proportional to 168,613.86, 232,667.22 and 100,618.23

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Solution

The fourth proportional to 168,613.86, 232,667.22 and 100,618.23 is: 138,841.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,613.86 : 232,667.22 = 100,618.23 : x
  2. Step 2: Convert to fraction form
    168,613.86/232,667.22 = 100,618.23/x
  3. Step 3: Cross multiply
    168,613.86x = 232,667.22 × 100,618.23
  4. Step 4: Simplify right side
    168,613.86x = 23,410,563,855.42
  5. Step 5: Solve for x
    x = 23,410,563,855.42/168,613.86
  6. Step 6: Final answer
    x = 138,841.28

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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.