Home / 206,261.87-309,393.06-56,503.45

Finding the Fourth Proportional to 206,261.87, 309,393.06 and 56,503.45

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Solution

The fourth proportional to 206,261.87, 309,393.06 and 56,503.45 is: 84,755.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,261.87 : 309,393.06 = 56,503.45 : x
  2. Step 2: Convert to fraction form
    206,261.87/309,393.06 = 56,503.45/x
  3. Step 3: Cross multiply
    206,261.87x = 309,393.06 × 56,503.45
  4. Step 4: Simplify right side
    206,261.87x = 17,481,774,310.69
  5. Step 5: Solve for x
    x = 17,481,774,310.69/206,261.87
  6. Step 6: Final answer
    x = 84,755.24

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1.5x scale

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.