Home / 165,883.52-228,922.80-90,432.56

Finding the Fourth Proportional to 165,883.52, 228,922.80 and 90,432.56

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Solution

The fourth proportional to 165,883.52, 228,922.80 and 90,432.56 is: 124,798.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,883.52 : 228,922.80 = 90,432.56 : x
  2. Step 2: Convert to fraction form
    165,883.52/228,922.80 = 90,432.56/x
  3. Step 3: Cross multiply
    165,883.52x = 228,922.80 × 90,432.56
  4. Step 4: Simplify right side
    165,883.52x = 20,702,074,846.37
  5. Step 5: Solve for x
    x = 20,702,074,846.37/165,883.52
  6. Step 6: Final answer
    x = 124,798.86

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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.