Home / 163,166.87-225,170.06-91,553.55

Finding the Fourth Proportional to 163,166.87, 225,170.06 and 91,553.55

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Solution

The fourth proportional to 163,166.87, 225,170.06 and 91,553.55 is: 126,343.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,166.87 : 225,170.06 = 91,553.55 : x
  2. Step 2: Convert to fraction form
    163,166.87/225,170.06 = 91,553.55/x
  3. Step 3: Cross multiply
    163,166.87x = 225,170.06 × 91,553.55
  4. Step 4: Simplify right side
    163,166.87x = 20,615,117,888.95
  5. Step 5: Solve for x
    x = 20,615,117,888.95/163,166.87
  6. Step 6: Final answer
    x = 126,343.78

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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.