Home / 165,562.52-228,476.24-90,111.56

Finding the Fourth Proportional to 165,562.52, 228,476.24 and 90,111.56

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Solution

The fourth proportional to 165,562.52, 228,476.24 and 90,111.56 is: 124,353.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,562.52 : 228,476.24 = 90,111.56 : x
  2. Step 2: Convert to fraction form
    165,562.52/228,476.24 = 90,111.56/x
  3. Step 3: Cross multiply
    165,562.52x = 228,476.24 × 90,111.56
  4. Step 4: Simplify right side
    165,562.52x = 20,588,350,409.33
  5. Step 5: Solve for x
    x = 20,588,350,409.33/165,562.52
  6. Step 6: Final answer
    x = 124,353.93

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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.