Home / 204,178.01-306,354.78-70,985.66

Finding the Fourth Proportional to 204,178.01, 306,354.78 and 70,985.66

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Solution

The fourth proportional to 204,178.01, 306,354.78 and 70,985.66 is: 106,509.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,178.01 : 306,354.78 = 70,985.66 : x
  2. Step 2: Convert to fraction form
    204,178.01/306,354.78 = 70,985.66/x
  3. Step 3: Cross multiply
    204,178.01x = 306,354.78 × 70,985.66
  4. Step 4: Simplify right side
    204,178.01x = 21,746,794,720.68
  5. Step 5: Solve for x
    x = 21,746,794,720.68/204,178.01
  6. Step 6: Final answer
    x = 106,509.00

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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.