Home / 163,297.48-225,363.54-91,682.20

Finding the Fourth Proportional to 163,297.48, 225,363.54 and 91,682.20

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Solution

The fourth proportional to 163,297.48, 225,363.54 and 91,682.20 is: 126,528.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,297.48 : 225,363.54 = 91,682.20 : x
  2. Step 2: Convert to fraction form
    163,297.48/225,363.54 = 91,682.20/x
  3. Step 3: Cross multiply
    163,297.48x = 225,363.54 × 91,682.20
  4. Step 4: Simplify right side
    163,297.48x = 20,661,825,146.99
  5. Step 5: Solve for x
    x = 20,661,825,146.99/163,297.48
  6. Step 6: Final answer
    x = 126,528.74

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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.