Home / 165,259.62-228,058.20-89,808.12

Finding the Fourth Proportional to 165,259.62, 228,058.20 and 89,808.12

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Solution

The fourth proportional to 165,259.62, 228,058.20 and 89,808.12 is: 123,935.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,259.62 : 228,058.20 = 89,808.12 : x
  2. Step 2: Convert to fraction form
    165,259.62/228,058.20 = 89,808.12/x
  3. Step 3: Cross multiply
    165,259.62x = 228,058.20 × 89,808.12
  4. Step 4: Simplify right side
    165,259.62x = 20,481,478,192.58
  5. Step 5: Solve for x
    x = 20,481,478,192.58/165,259.62
  6. Step 6: Final answer
    x = 123,935.16

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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.