Home / 189,806.38-284,615.69-63,403.25

Finding the Fourth Proportional to 189,806.38, 284,615.69 and 63,403.25

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Solution

The fourth proportional to 189,806.38, 284,615.69 and 63,403.25 is: 95,073.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,806.38 : 284,615.69 = 63,403.25 : x
  2. Step 2: Convert to fraction form
    189,806.38/284,615.69 = 63,403.25/x
  3. Step 3: Cross multiply
    189,806.38x = 284,615.69 × 63,403.25
  4. Step 4: Simplify right side
    189,806.38x = 18,045,558,006.90
  5. Step 5: Solve for x
    x = 18,045,558,006.90/189,806.38
  6. Step 6: Final answer
    x = 95,073.51

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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.