Home / 206,643.20-309,923.98-56,844.84

Finding the Fourth Proportional to 206,643.20, 309,923.98 and 56,844.84

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Solution

The fourth proportional to 206,643.20, 309,923.98 and 56,844.84 is: 85,256.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,643.20 : 309,923.98 = 56,844.84 : x
  2. Step 2: Convert to fraction form
    206,643.20/309,923.98 = 56,844.84/x
  3. Step 3: Cross multiply
    206,643.20x = 309,923.98 × 56,844.84
  4. Step 4: Simplify right side
    206,643.20x = 17,617,579,055.26
  5. Step 5: Solve for x
    x = 17,617,579,055.26/206,643.20
  6. Step 6: Final answer
    x = 85,256.03

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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.