Home / 165,323.06-228,148.37-89,871.86

Finding the Fourth Proportional to 165,323.06, 228,148.37 and 89,871.86

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Solution

The fourth proportional to 165,323.06, 228,148.37 and 89,871.86 is: 124,024.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,323.06 : 228,148.37 = 89,871.86 : x
  2. Step 2: Convert to fraction form
    165,323.06/228,148.37 = 89,871.86/x
  3. Step 3: Cross multiply
    165,323.06x = 228,148.37 × 89,871.86
  4. Step 4: Simplify right side
    165,323.06x = 20,504,118,367.87
  5. Step 5: Solve for x
    x = 20,504,118,367.87/165,323.06
  6. Step 6: Final answer
    x = 124,024.55

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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.