Home / 375,844.88-563,890.20-139,204.88

Finding the Fourth Proportional to 375,844.88, 563,890.20 and 139,204.88

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Solution

The fourth proportional to 375,844.88, 563,890.20 and 139,204.88 is: 208,852.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,844.88 : 563,890.20 = 139,204.88 : x
  2. Step 2: Convert to fraction form
    375,844.88/563,890.20 = 139,204.88/x
  3. Step 3: Cross multiply
    375,844.88x = 563,890.20 × 139,204.88
  4. Step 4: Simplify right side
    375,844.88x = 78,496,267,624.18
  5. Step 5: Solve for x
    x = 78,496,267,624.18/375,844.88
  6. Step 6: Final answer
    x = 208,852.83

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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.