Home / 161,541.86-242,362.38-82,711.46

Finding the Fourth Proportional to 161,541.86, 242,362.38 and 82,711.46

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Solution

The fourth proportional to 161,541.86, 242,362.38 and 82,711.46 is: 124,092.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,541.86 : 242,362.38 = 82,711.46 : x
  2. Step 2: Convert to fraction form
    161,541.86/242,362.38 = 82,711.46/x
  3. Step 3: Cross multiply
    161,541.86x = 242,362.38 × 82,711.46
  4. Step 4: Simplify right side
    161,541.86x = 20,046,146,298.87
  5. Step 5: Solve for x
    x = 20,046,146,298.87/161,541.86
  6. Step 6: Final answer
    x = 124,092.58

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.