Home / 189,268.39-284,314.70-114,423.81

Finding the Fourth Proportional to 189,268.39, 284,314.70 and 114,423.81

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Solution

The fourth proportional to 189,268.39, 284,314.70 and 114,423.81 is: 171,884.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,268.39 : 284,314.70 = 114,423.81 : x
  2. Step 2: Convert to fraction form
    189,268.39/284,314.70 = 114,423.81/x
  3. Step 3: Cross multiply
    189,268.39x = 284,314.70 × 114,423.81
  4. Step 4: Simplify right side
    189,268.39x = 32,532,371,213.01
  5. Step 5: Solve for x
    x = 32,532,371,213.01/189,268.39
  6. Step 6: Final answer
    x = 171,884.86

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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.