Home / 165,561.24-228,475.52-90,110.52

Finding the Fourth Proportional to 165,561.24, 228,475.52 and 90,110.52

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Solution

The fourth proportional to 165,561.24, 228,475.52 and 90,110.52 is: 124,353.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,561.24 : 228,475.52 = 90,110.52 : x
  2. Step 2: Convert to fraction form
    165,561.24/228,475.52 = 90,110.52/x
  3. Step 3: Cross multiply
    165,561.24x = 228,475.52 × 90,110.52
  4. Step 4: Simplify right side
    165,561.24x = 20,588,047,914.47
  5. Step 5: Solve for x
    x = 20,588,047,914.47/165,561.24
  6. Step 6: Final answer
    x = 124,353.07

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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.