Home / 163,226.89-225,275.11-91,610.84

Finding the Fourth Proportional to 163,226.89, 225,275.11 and 91,610.84

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Solution

The fourth proportional to 163,226.89, 225,275.11 and 91,610.84 is: 126,435.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,226.89 : 225,275.11 = 91,610.84 : x
  2. Step 2: Convert to fraction form
    163,226.89/225,275.11 = 91,610.84/x
  3. Step 3: Cross multiply
    163,226.89x = 225,275.11 × 91,610.84
  4. Step 4: Simplify right side
    163,226.89x = 20,637,642,392.35
  5. Step 5: Solve for x
    x = 20,637,642,392.35/163,226.89
  6. Step 6: Final answer
    x = 126,435.31

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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.