Home / 266,821.65-399,591.09-152,623.35

Finding the Fourth Proportional to 266,821.65, 399,591.09 and 152,623.35

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Solution

The fourth proportional to 266,821.65, 399,591.09 and 152,623.35 is: 228,568.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,821.65 : 399,591.09 = 152,623.35 : x
  2. Step 2: Convert to fraction form
    266,821.65/399,591.09 = 152,623.35/x
  3. Step 3: Cross multiply
    266,821.65x = 399,591.09 × 152,623.35
  4. Step 4: Simplify right side
    266,821.65x = 60,986,930,785.95
  5. Step 5: Solve for x
    x = 60,986,930,785.95/266,821.65
  6. Step 6: Final answer
    x = 228,568.15

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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.