Home / 168,403.34-232,390.82-100,385.24

Finding the Fourth Proportional to 168,403.34, 232,390.82 and 100,385.24

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Solution

The fourth proportional to 168,403.34, 232,390.82 and 100,385.24 is: 138,528.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,403.34 : 232,390.82 = 100,385.24 : x
  2. Step 2: Convert to fraction form
    168,403.34/232,390.82 = 100,385.24/x
  3. Step 3: Cross multiply
    168,403.34x = 232,390.82 × 100,385.24
  4. Step 4: Simplify right side
    168,403.34x = 23,328,606,575.62
  5. Step 5: Solve for x
    x = 23,328,606,575.62/168,403.34
  6. Step 6: Final answer
    x = 138,528.17

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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.