Home / 168,129.80-232,015.38-92,678.12

Finding the Fourth Proportional to 168,129.80, 232,015.38 and 92,678.12

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Solution

The fourth proportional to 168,129.80, 232,015.38 and 92,678.12 is: 127,893.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,129.80 : 232,015.38 = 92,678.12 : x
  2. Step 2: Convert to fraction form
    168,129.80/232,015.38 = 92,678.12/x
  3. Step 3: Cross multiply
    168,129.80x = 232,015.38 × 92,678.12
  4. Step 4: Simplify right side
    168,129.80x = 21,502,749,229.49
  5. Step 5: Solve for x
    x = 21,502,749,229.49/168,129.80
  6. Step 6: Final answer
    x = 127,893.74

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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.