Home / 189,823.80-284,346.90-96,382.20

Finding the Fourth Proportional to 189,823.80, 284,346.90 and 96,382.20

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Solution

The fourth proportional to 189,823.80, 284,346.90 and 96,382.20 is: 144,375.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,823.80 : 284,346.90 = 96,382.20 : x
  2. Step 2: Convert to fraction form
    189,823.80/284,346.90 = 96,382.20/x
  3. Step 3: Cross multiply
    189,823.80x = 284,346.90 × 96,382.20
  4. Step 4: Simplify right side
    189,823.80x = 27,405,979,785.18
  5. Step 5: Solve for x
    x = 27,405,979,785.18/189,823.80
  6. Step 6: Final answer
    x = 144,375.89

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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.