Home / 278,174.00-417,432.32-109,665.65

Finding the Fourth Proportional to 278,174.00, 417,432.32 and 109,665.65

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Solution

The fourth proportional to 278,174.00, 417,432.32 and 109,665.65 is: 164,566.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,174.00 : 417,432.32 = 109,665.65 : x
  2. Step 2: Convert to fraction form
    278,174.00/417,432.32 = 109,665.65/x
  3. Step 3: Cross multiply
    278,174.00x = 417,432.32 × 109,665.65
  4. Step 4: Simplify right side
    278,174.00x = 45,777,984,068.32
  5. Step 5: Solve for x
    x = 45,777,984,068.32/278,174.00
  6. Step 6: Final answer
    x = 164,566.01

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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.