Home / 161,851.02-223,366.23-93,891.21

Finding the Fourth Proportional to 161,851.02, 223,366.23 and 93,891.21

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Solution

The fourth proportional to 161,851.02, 223,366.23 and 93,891.21 is: 129,576.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,851.02 : 223,366.23 = 93,891.21 : x
  2. Step 2: Convert to fraction form
    161,851.02/223,366.23 = 93,891.21/x
  3. Step 3: Cross multiply
    161,851.02x = 223,366.23 × 93,891.21
  4. Step 4: Simplify right side
    161,851.02x = 20,972,125,607.84
  5. Step 5: Solve for x
    x = 20,972,125,607.84/161,851.02
  6. Step 6: Final answer
    x = 129,576.73

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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.