Home / 189,950.77-284,308.03-140,010.85

Finding the Fourth Proportional to 189,950.77, 284,308.03 and 140,010.85

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Solution

The fourth proportional to 189,950.77, 284,308.03 and 140,010.85 is: 209,560.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,950.77 : 284,308.03 = 140,010.85 : x
  2. Step 2: Convert to fraction form
    189,950.77/284,308.03 = 140,010.85/x
  3. Step 3: Cross multiply
    189,950.77x = 284,308.03 × 140,010.85
  4. Step 4: Simplify right side
    189,950.77x = 39,806,208,942.13
  5. Step 5: Solve for x
    x = 39,806,208,942.13/189,950.77
  6. Step 6: Final answer
    x = 209,560.66

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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.