Home / 525,200.14-787,634.97-170,131.78

Finding the Fourth Proportional to 525,200.14, 787,634.97 and 170,131.78

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Solution

The fourth proportional to 525,200.14, 787,634.97 and 170,131.78 is: 255,144.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,200.14 : 787,634.97 = 170,131.78 : x
  2. Step 2: Convert to fraction form
    525,200.14/787,634.97 = 170,131.78/x
  3. Step 3: Cross multiply
    525,200.14x = 787,634.97 × 170,131.78
  4. Step 4: Simplify right side
    525,200.14x = 134,001,739,436.35
  5. Step 5: Solve for x
    x = 134,001,739,436.35/525,200.14
  6. Step 6: Final answer
    x = 255,144.14

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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.