Home / 163,332.26-225,390.86-90,739.84

Finding the Fourth Proportional to 163,332.26, 225,390.86 and 90,739.84

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Solution

The fourth proportional to 163,332.26, 225,390.86 and 90,739.84 is: 125,216.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,332.26 : 225,390.86 = 90,739.84 : x
  2. Step 2: Convert to fraction form
    163,332.26/225,390.86 = 90,739.84/x
  3. Step 3: Cross multiply
    163,332.26x = 225,390.86 × 90,739.84
  4. Step 4: Simplify right side
    163,332.26x = 20,451,929,556.69
  5. Step 5: Solve for x
    x = 20,451,929,556.69/163,332.26
  6. Step 6: Final answer
    x = 125,216.72

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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.