Home / 163,929.76-226,216.96-91,330.92

Finding the Fourth Proportional to 163,929.76, 226,216.96 and 91,330.92

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Solution

The fourth proportional to 163,929.76, 226,216.96 and 91,330.92 is: 126,033.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,929.76 : 226,216.96 = 91,330.92 : x
  2. Step 2: Convert to fraction form
    163,929.76/226,216.96 = 91,330.92/x
  3. Step 3: Cross multiply
    163,929.76x = 226,216.96 × 91,330.92
  4. Step 4: Simplify right side
    163,929.76x = 20,660,603,076.40
  5. Step 5: Solve for x
    x = 20,660,603,076.40/163,929.76
  6. Step 6: Final answer
    x = 126,033.27

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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.