Home / 189,074.94-283,382.78-89,118.11

Finding the Fourth Proportional to 189,074.94, 283,382.78 and 89,118.11

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Solution

The fourth proportional to 189,074.94, 283,382.78 and 89,118.11 is: 133,568.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,074.94 : 283,382.78 = 89,118.11 : x
  2. Step 2: Convert to fraction form
    189,074.94/283,382.78 = 89,118.11/x
  3. Step 3: Cross multiply
    189,074.94x = 283,382.78 × 89,118.11
  4. Step 4: Simplify right side
    189,074.94x = 25,254,535,897.64
  5. Step 5: Solve for x
    x = 25,254,535,897.64/189,074.94
  6. Step 6: Final answer
    x = 133,568.92

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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.