Home / 250,380.18-375,631.83-72,888.75

Finding the Fourth Proportional to 250,380.18, 375,631.83 and 72,888.75

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Solution

The fourth proportional to 250,380.18, 375,631.83 and 72,888.75 is: 109,351.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,380.18 : 375,631.83 = 72,888.75 : x
  2. Step 2: Convert to fraction form
    250,380.18/375,631.83 = 72,888.75/x
  3. Step 3: Cross multiply
    250,380.18x = 375,631.83 × 72,888.75
  4. Step 4: Simplify right side
    250,380.18x = 27,379,334,548.91
  5. Step 5: Solve for x
    x = 27,379,334,548.91/250,380.18
  6. Step 6: Final answer
    x = 109,351.05

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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.