Home / 161,754.50-223,222.09-93,811.76

Finding the Fourth Proportional to 161,754.50, 223,222.09 and 93,811.76

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Solution

The fourth proportional to 161,754.50, 223,222.09 and 93,811.76 is: 129,460.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,754.50 : 223,222.09 = 93,811.76 : x
  2. Step 2: Convert to fraction form
    161,754.50/223,222.09 = 93,811.76/x
  3. Step 3: Cross multiply
    161,754.50x = 223,222.09 × 93,811.76
  4. Step 4: Simplify right side
    161,754.50x = 20,940,856,252.20
  5. Step 5: Solve for x
    x = 20,940,856,252.20/161,754.50
  6. Step 6: Final answer
    x = 129,460.74

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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.