Home / 158,816.68-219,167.44-87,201.34

Finding the Fourth Proportional to 158,816.68, 219,167.44 and 87,201.34

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Solution

The fourth proportional to 158,816.68, 219,167.44 and 87,201.34 is: 120,338.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,816.68 : 219,167.44 = 87,201.34 : x
  2. Step 2: Convert to fraction form
    158,816.68/219,167.44 = 87,201.34/x
  3. Step 3: Cross multiply
    158,816.68x = 219,167.44 × 87,201.34
  4. Step 4: Simplify right side
    158,816.68x = 19,111,694,452.37
  5. Step 5: Solve for x
    x = 19,111,694,452.37/158,816.68
  6. Step 6: Final answer
    x = 120,338.08

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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.