Home / 163,069.11-225,045.18-91,453.23

Finding the Fourth Proportional to 163,069.11, 225,045.18 and 91,453.23

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Solution

The fourth proportional to 163,069.11, 225,045.18 and 91,453.23 is: 126,210.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,069.11 : 225,045.18 = 91,453.23 : x
  2. Step 2: Convert to fraction form
    163,069.11/225,045.18 = 91,453.23/x
  3. Step 3: Cross multiply
    163,069.11x = 225,045.18 × 91,453.23
  4. Step 4: Simplify right side
    163,069.11x = 20,581,108,606.93
  5. Step 5: Solve for x
    x = 20,581,108,606.93/163,069.11
  6. Step 6: Final answer
    x = 126,210.96

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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.