Home / 206,223.80-309,335.46-56,465.24

Finding the Fourth Proportional to 206,223.80, 309,335.46 and 56,465.24

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Solution

The fourth proportional to 206,223.80, 309,335.46 and 56,465.24 is: 84,697.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,223.80 : 309,335.46 = 56,465.24 : x
  2. Step 2: Convert to fraction form
    206,223.80/309,335.46 = 56,465.24/x
  3. Step 3: Cross multiply
    206,223.80x = 309,335.46 × 56,465.24
  4. Step 4: Simplify right side
    206,223.80x = 17,466,700,989.41
  5. Step 5: Solve for x
    x = 17,466,700,989.41/206,223.80
  6. Step 6: Final answer
    x = 84,697.79

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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.