Home / 163,194.65-225,205.04-90,593.36

Finding the Fourth Proportional to 163,194.65, 225,205.04 and 90,593.36

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Solution

The fourth proportional to 163,194.65, 225,205.04 and 90,593.36 is: 125,016.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,194.65 : 225,205.04 = 90,593.36 : x
  2. Step 2: Convert to fraction form
    163,194.65/225,205.04 = 90,593.36/x
  3. Step 3: Cross multiply
    163,194.65x = 225,205.04 × 90,593.36
  4. Step 4: Simplify right side
    163,194.65x = 20,402,079,683.54
  5. Step 5: Solve for x
    x = 20,402,079,683.54/163,194.65
  6. Step 6: Final answer
    x = 125,016.85

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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.