Home / 340,809.32-511,215.20-104,151.02

Finding the Fourth Proportional to 340,809.32, 511,215.20 and 104,151.02

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Solution

The fourth proportional to 340,809.32, 511,215.20 and 104,151.02 is: 156,226.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,809.32 : 511,215.20 = 104,151.02 : x
  2. Step 2: Convert to fraction form
    340,809.32/511,215.20 = 104,151.02/x
  3. Step 3: Cross multiply
    340,809.32x = 511,215.20 × 104,151.02
  4. Step 4: Simplify right side
    340,809.32x = 53,243,581,442.67
  5. Step 5: Solve for x
    x = 53,243,581,442.67/340,809.32
  6. Step 6: Final answer
    x = 156,226.90

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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.