Home / 535,821.87-803,732.79-161,844.87

Finding the Fourth Proportional to 535,821.87, 803,732.79 and 161,844.87

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Solution

The fourth proportional to 535,821.87, 803,732.79 and 161,844.87 is: 242,767.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    535,821.87 : 803,732.79 = 161,844.87 : x
  2. Step 2: Convert to fraction form
    535,821.87/803,732.79 = 161,844.87/x
  3. Step 3: Cross multiply
    535,821.87x = 803,732.79 × 161,844.87
  4. Step 4: Simplify right side
    535,821.87x = 130,080,028,912.29
  5. Step 5: Solve for x
    x = 130,080,028,912.29/535,821.87
  6. Step 6: Final answer
    x = 242,767.30

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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.