Home / 250,809.12-376,206.39-73,320.30

Finding the Fourth Proportional to 250,809.12, 376,206.39 and 73,320.30

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Solution

The fourth proportional to 250,809.12, 376,206.39 and 73,320.30 is: 109,978.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,809.12 : 376,206.39 = 73,320.30 : x
  2. Step 2: Convert to fraction form
    250,809.12/376,206.39 = 73,320.30/x
  3. Step 3: Cross multiply
    250,809.12x = 376,206.39 × 73,320.30
  4. Step 4: Simplify right side
    250,809.12x = 27,583,565,376.72
  5. Step 5: Solve for x
    x = 27,583,565,376.72/250,809.12
  6. Step 6: Final answer
    x = 109,978.32

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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.