Home / 165,593.08-228,523.98-90,144.28

Finding the Fourth Proportional to 165,593.08, 228,523.98 and 90,144.28

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Solution

The fourth proportional to 165,593.08, 228,523.98 and 90,144.28 is: 124,402.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,593.08 : 228,523.98 = 90,144.28 : x
  2. Step 2: Convert to fraction form
    165,593.08/228,523.98 = 90,144.28/x
  3. Step 3: Cross multiply
    165,593.08x = 228,523.98 × 90,144.28
  4. Step 4: Simplify right side
    165,593.08x = 20,600,129,639.83
  5. Step 5: Solve for x
    x = 20,600,129,639.83/165,593.08
  6. Step 6: Final answer
    x = 124,402.12

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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.