Home / 158,997.87-219,416.34-91,014.47

Finding the Fourth Proportional to 158,997.87, 219,416.34 and 91,014.47

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Solution

The fourth proportional to 158,997.87, 219,416.34 and 91,014.47 is: 125,599.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,997.87 : 219,416.34 = 91,014.47 : x
  2. Step 2: Convert to fraction form
    158,997.87/219,416.34 = 91,014.47/x
  3. Step 3: Cross multiply
    158,997.87x = 219,416.34 × 91,014.47
  4. Step 4: Simplify right side
    158,997.87x = 19,970,061,961.47
  5. Step 5: Solve for x
    x = 19,970,061,961.47/158,997.87
  6. Step 6: Final answer
    x = 125,599.56

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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.