Home / 163,234.96-225,258.48-91,619.04

Finding the Fourth Proportional to 163,234.96, 225,258.48 and 91,619.04

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Solution

The fourth proportional to 163,234.96, 225,258.48 and 91,619.04 is: 126,431.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,234.96 : 225,258.48 = 91,619.04 : x
  2. Step 2: Convert to fraction form
    163,234.96/225,258.48 = 91,619.04/x
  3. Step 3: Cross multiply
    163,234.96x = 225,258.48 × 91,619.04
  4. Step 4: Simplify right side
    163,234.96x = 20,637,965,689.46
  5. Step 5: Solve for x
    x = 20,637,965,689.46/163,234.96
  6. Step 6: Final answer
    x = 126,431.04

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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.