Home / 150,142.86-207,193.95-82,159.56

Finding the Fourth Proportional to 150,142.86, 207,193.95 and 82,159.56

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Solution

The fourth proportional to 150,142.86, 207,193.95 and 82,159.56 is: 113,378.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,142.86 : 207,193.95 = 82,159.56 : x
  2. Step 2: Convert to fraction form
    150,142.86/207,193.95 = 82,159.56/x
  3. Step 3: Cross multiply
    150,142.86x = 207,193.95 × 82,159.56
  4. Step 4: Simplify right side
    150,142.86x = 17,022,963,766.66
  5. Step 5: Solve for x
    x = 17,022,963,766.66/150,142.86
  6. Step 6: Final answer
    x = 113,378.44

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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.