Home / 158,561.66-218,856.26-98,097.19

Finding the Fourth Proportional to 158,561.66, 218,856.26 and 98,097.19

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Solution

The fourth proportional to 158,561.66, 218,856.26 and 98,097.19 is: 135,399.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,561.66 : 218,856.26 = 98,097.19 : x
  2. Step 2: Convert to fraction form
    158,561.66/218,856.26 = 98,097.19/x
  3. Step 3: Cross multiply
    158,561.66x = 218,856.26 × 98,097.19
  4. Step 4: Simplify right side
    158,561.66x = 21,469,184,119.91
  5. Step 5: Solve for x
    x = 21,469,184,119.91/158,561.66
  6. Step 6: Final answer
    x = 135,399.59

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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.