Home / 385,919.22-579,076.50-183,744.12

Finding the Fourth Proportional to 385,919.22, 579,076.50 and 183,744.12

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Solution

The fourth proportional to 385,919.22, 579,076.50 and 183,744.12 is: 275,710.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    385,919.22 : 579,076.50 = 183,744.12 : x
  2. Step 2: Convert to fraction form
    385,919.22/579,076.50 = 183,744.12/x
  3. Step 3: Cross multiply
    385,919.22x = 579,076.50 × 183,744.12
  4. Step 4: Simplify right side
    385,919.22x = 106,401,901,905.18
  5. Step 5: Solve for x
    x = 106,401,901,905.18/385,919.22
  6. Step 6: Final answer
    x = 275,710.29

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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.