Home / 163,991.17-226,304.71-91,392.46

Finding the Fourth Proportional to 163,991.17, 226,304.71 and 91,392.46

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Solution

The fourth proportional to 163,991.17, 226,304.71 and 91,392.46 is: 126,119.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,991.17 : 226,304.71 = 91,392.46 : x
  2. Step 2: Convert to fraction form
    163,991.17/226,304.71 = 91,392.46/x
  3. Step 3: Cross multiply
    163,991.17x = 226,304.71 × 91,392.46
  4. Step 4: Simplify right side
    163,991.17x = 20,682,544,156.49
  5. Step 5: Solve for x
    x = 20,682,544,156.49/163,991.17
  6. Step 6: Final answer
    x = 126,119.86

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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.