Home / 165,256.68-228,058.57-89,805.18

Finding the Fourth Proportional to 165,256.68, 228,058.57 and 89,805.18

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Solution

The fourth proportional to 165,256.68, 228,058.57 and 89,805.18 is: 123,933.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,256.68 : 228,058.57 = 89,805.18 : x
  2. Step 2: Convert to fraction form
    165,256.68/228,058.57 = 89,805.18/x
  3. Step 3: Cross multiply
    165,256.68x = 228,058.57 × 89,805.18
  4. Step 4: Simplify right side
    165,256.68x = 20,480,840,929.39
  5. Step 5: Solve for x
    x = 20,480,840,929.39/165,256.68
  6. Step 6: Final answer
    x = 123,933.51

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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.