Home / 163,304.18-225,353.97-91,687.22

Finding the Fourth Proportional to 163,304.18, 225,353.97 and 91,687.22

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Solution

The fourth proportional to 163,304.18, 225,353.97 and 91,687.22 is: 126,525.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,304.18 : 225,353.97 = 91,687.22 : x
  2. Step 2: Convert to fraction form
    163,304.18/225,353.97 = 91,687.22/x
  3. Step 3: Cross multiply
    163,304.18x = 225,353.97 × 91,687.22
  4. Step 4: Simplify right side
    163,304.18x = 20,662,077,898.49
  5. Step 5: Solve for x
    x = 20,662,077,898.49/163,304.18
  6. Step 6: Final answer
    x = 126,525.11

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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.