Home / 194,183.68-291,140.14-86,054.16

Finding the Fourth Proportional to 194,183.68, 291,140.14 and 86,054.16

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Solution

The fourth proportional to 194,183.68, 291,140.14 and 86,054.16 is: 129,021.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,183.68 : 291,140.14 = 86,054.16 : x
  2. Step 2: Convert to fraction form
    194,183.68/291,140.14 = 86,054.16/x
  3. Step 3: Cross multiply
    194,183.68x = 291,140.14 × 86,054.16
  4. Step 4: Simplify right side
    194,183.68x = 25,053,820,189.98
  5. Step 5: Solve for x
    x = 25,053,820,189.98/194,183.68
  6. Step 6: Final answer
    x = 129,021.25

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.