Home / 165,595.76-228,523.56-90,144.08

Finding the Fourth Proportional to 165,595.76, 228,523.56 and 90,144.08

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Solution

The fourth proportional to 165,595.76, 228,523.56 and 90,144.08 is: 124,399.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,595.76 : 228,523.56 = 90,144.08 : x
  2. Step 2: Convert to fraction form
    165,595.76/228,523.56 = 90,144.08/x
  3. Step 3: Cross multiply
    165,595.76x = 228,523.56 × 90,144.08
  4. Step 4: Simplify right side
    165,595.76x = 20,600,046,074.52
  5. Step 5: Solve for x
    x = 20,600,046,074.52/165,595.76
  6. Step 6: Final answer
    x = 124,399.60

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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.