Home / 376,222.10-564,333.15-216,789.80

Finding the Fourth Proportional to 376,222.10, 564,333.15 and 216,789.80

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Solution

The fourth proportional to 376,222.10, 564,333.15 and 216,789.80 is: 325,184.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,222.10 : 564,333.15 = 216,789.80 : x
  2. Step 2: Convert to fraction form
    376,222.10/564,333.15 = 216,789.80/x
  3. Step 3: Cross multiply
    376,222.10x = 564,333.15 × 216,789.80
  4. Step 4: Simplify right side
    376,222.10x = 122,341,670,721.87
  5. Step 5: Solve for x
    x = 122,341,670,721.87/376,222.10
  6. Step 6: Final answer
    x = 325,184.70

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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.