Home / 168,256.69-232,186.03-100,272.11

Finding the Fourth Proportional to 168,256.69, 232,186.03 and 100,272.11

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Solution

The fourth proportional to 168,256.69, 232,186.03 and 100,272.11 is: 138,370.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,256.69 : 232,186.03 = 100,272.11 : x
  2. Step 2: Convert to fraction form
    168,256.69/232,186.03 = 100,272.11/x
  3. Step 3: Cross multiply
    168,256.69x = 232,186.03 × 100,272.11
  4. Step 4: Simplify right side
    168,256.69x = 23,281,781,729.01
  5. Step 5: Solve for x
    x = 23,281,781,729.01/168,256.69
  6. Step 6: Final answer
    x = 138,370.62

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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.