Home / 165,970.52-229,032.38-90,514.52

Finding the Fourth Proportional to 165,970.52, 229,032.38 and 90,514.52

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Solution

The fourth proportional to 165,970.52, 229,032.38 and 90,514.52 is: 124,906.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,970.52 : 229,032.38 = 90,514.52 : x
  2. Step 2: Convert to fraction form
    165,970.52/229,032.38 = 90,514.52/x
  3. Step 3: Cross multiply
    165,970.52x = 229,032.38 × 90,514.52
  4. Step 4: Simplify right side
    165,970.52x = 20,730,755,940.16
  5. Step 5: Solve for x
    x = 20,730,755,940.16/165,970.52
  6. Step 6: Final answer
    x = 124,906.25

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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.