Home / 206,619.58-285,125.43-114,744.70

Finding the Fourth Proportional to 206,619.58, 285,125.43 and 114,744.70

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Solution

The fourth proportional to 206,619.58, 285,125.43 and 114,744.70 is: 158,342.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,619.58 : 285,125.43 = 114,744.70 : x
  2. Step 2: Convert to fraction form
    206,619.58/285,125.43 = 114,744.70/x
  3. Step 3: Cross multiply
    206,619.58x = 285,125.43 × 114,744.70
  4. Step 4: Simplify right side
    206,619.58x = 32,716,631,747.35
  5. Step 5: Solve for x
    x = 32,716,631,747.35/206,619.58
  6. Step 6: Final answer
    x = 158,342.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.