Home / 356,995.71-534,764.56-199,308.15

Finding the Fourth Proportional to 356,995.71, 534,764.56 and 199,308.15

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Solution

The fourth proportional to 356,995.71, 534,764.56 and 199,308.15 is: 298,555.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,995.71 : 534,764.56 = 199,308.15 : x
  2. Step 2: Convert to fraction form
    356,995.71/534,764.56 = 199,308.15/x
  3. Step 3: Cross multiply
    356,995.71x = 534,764.56 × 199,308.15
  4. Step 4: Simplify right side
    356,995.71x = 106,582,935,139.16
  5. Step 5: Solve for x
    x = 106,582,935,139.16/356,995.71
  6. Step 6: Final answer
    x = 298,555.23

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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.