Home / 163,276.76-225,321.82-91,656.92

Finding the Fourth Proportional to 163,276.76, 225,321.82 and 91,656.92

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Solution

The fourth proportional to 163,276.76, 225,321.82 and 91,656.92 is: 126,486.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,276.76 : 225,321.82 = 91,656.92 : x
  2. Step 2: Convert to fraction form
    163,276.76/225,321.82 = 91,656.92/x
  3. Step 3: Cross multiply
    163,276.76x = 225,321.82 × 91,656.92
  4. Step 4: Simplify right side
    163,276.76x = 20,652,304,029.99
  5. Step 5: Solve for x
    x = 20,652,304,029.99/163,276.76
  6. Step 6: Final answer
    x = 126,486.49

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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.