Home / 165,232.24-228,020.07-89,780.74

Finding the Fourth Proportional to 165,232.24, 228,020.07 and 89,780.74

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Solution

The fourth proportional to 165,232.24, 228,020.07 and 89,780.74 is: 123,897.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,232.24 : 228,020.07 = 89,780.74 : x
  2. Step 2: Convert to fraction form
    165,232.24/228,020.07 = 89,780.74/x
  3. Step 3: Cross multiply
    165,232.24x = 228,020.07 × 89,780.74
  4. Step 4: Simplify right side
    165,232.24x = 20,471,810,619.45
  5. Step 5: Solve for x
    x = 20,471,810,619.45/165,232.24
  6. Step 6: Final answer
    x = 123,897.19

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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.