Home / 161,640.02-223,061.96-93,655.52

Finding the Fourth Proportional to 161,640.02, 223,061.96 and 93,655.52

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Solution

The fourth proportional to 161,640.02, 223,061.96 and 93,655.52 is: 129,243.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,640.02 : 223,061.96 = 93,655.52 : x
  2. Step 2: Convert to fraction form
    161,640.02/223,061.96 = 93,655.52/x
  3. Step 3: Cross multiply
    161,640.02x = 223,061.96 × 93,655.52
  4. Step 4: Simplify right side
    161,640.02x = 20,890,983,856.02
  5. Step 5: Solve for x
    x = 20,890,983,856.02/161,640.02
  6. Step 6: Final answer
    x = 129,243.88

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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.