Home / 189,581.40-284,459.97-82,951.29

Finding the Fourth Proportional to 189,581.40, 284,459.97 and 82,951.29

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Solution

The fourth proportional to 189,581.40, 284,459.97 and 82,951.29 is: 124,465.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,581.40 : 284,459.97 = 82,951.29 : x
  2. Step 2: Convert to fraction form
    189,581.40/284,459.97 = 82,951.29/x
  3. Step 3: Cross multiply
    189,581.40x = 284,459.97 × 82,951.29
  4. Step 4: Simplify right side
    189,581.40x = 23,596,321,464.86
  5. Step 5: Solve for x
    x = 23,596,321,464.86/189,581.40
  6. Step 6: Final answer
    x = 124,465.38

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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.