Home / 206,292.48-309,454.56-87,964.44

Finding the Fourth Proportional to 206,292.48, 309,454.56 and 87,964.44

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Solution

The fourth proportional to 206,292.48, 309,454.56 and 87,964.44 is: 131,953.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,292.48 : 309,454.56 = 87,964.44 : x
  2. Step 2: Convert to fraction form
    206,292.48/309,454.56 = 87,964.44/x
  3. Step 3: Cross multiply
    206,292.48x = 309,454.56 × 87,964.44
  4. Step 4: Simplify right side
    206,292.48x = 27,220,997,075.85
  5. Step 5: Solve for x
    x = 27,220,997,075.85/206,292.48
  6. Step 6: Final answer
    x = 131,953.41

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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.