Home / 158,199.88-218,371.38-97,816.84

Finding the Fourth Proportional to 158,199.88, 218,371.38 and 97,816.84

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Solution

The fourth proportional to 158,199.88, 218,371.38 and 97,816.84 is: 135,021.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,199.88 : 218,371.38 = 97,816.84 : x
  2. Step 2: Convert to fraction form
    158,199.88/218,371.38 = 97,816.84/x
  3. Step 3: Cross multiply
    158,199.88x = 218,371.38 × 97,816.84
  4. Step 4: Simplify right side
    158,199.88x = 21,360,398,338.04
  5. Step 5: Solve for x
    x = 21,360,398,338.04/158,199.88
  6. Step 6: Final answer
    x = 135,021.58

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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.