Home / 144,182.45-197,526.67-138,791.64

Finding the Fourth Proportional to 144,182.45, 197,526.67 and 138,791.64

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Solution

The fourth proportional to 144,182.45, 197,526.67 and 138,791.64 is: 190,141.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,182.45 : 197,526.67 = 138,791.64 : x
  2. Step 2: Convert to fraction form
    144,182.45/197,526.67 = 138,791.64/x
  3. Step 3: Cross multiply
    144,182.45x = 197,526.67 × 138,791.64
  4. Step 4: Simplify right side
    144,182.45x = 27,415,050,866.78
  5. Step 5: Solve for x
    x = 27,415,050,866.78/144,182.45
  6. Step 6: Final answer
    x = 190,141.39

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.