Home / 168,645.36-232,721.44-93,189

Finding the Fourth Proportional to 168,645.36, 232,721.44 and 93,189

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Solution

The fourth proportional to 168,645.36, 232,721.44 and 93,189 is: 128,595.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,645.36 : 232,721.44 = 93,189 : x
  2. Step 2: Convert to fraction form
    168,645.36/232,721.44 = 93,189/x
  3. Step 3: Cross multiply
    168,645.36x = 232,721.44 × 93,189
  4. Step 4: Simplify right side
    168,645.36x = 21,687,078,272.16
  5. Step 5: Solve for x
    x = 21,687,078,272.16/168,645.36
  6. Step 6: Final answer
    x = 128,595.76

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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.