Home / 151,607.68-209,276.24-113,991.20

Finding the Fourth Proportional to 151,607.68, 209,276.24 and 113,991.20

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Solution

The fourth proportional to 151,607.68, 209,276.24 and 113,991.20 is: 157,351.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,607.68 : 209,276.24 = 113,991.20 : x
  2. Step 2: Convert to fraction form
    151,607.68/209,276.24 = 113,991.20/x
  3. Step 3: Cross multiply
    151,607.68x = 209,276.24 × 113,991.20
  4. Step 4: Simplify right side
    151,607.68x = 23,855,649,729.09
  5. Step 5: Solve for x
    x = 23,855,649,729.09/151,607.68
  6. Step 6: Final answer
    x = 157,351.20

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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.