Home / 148,365.90-204,633.27-103,043.97

Finding the Fourth Proportional to 148,365.90, 204,633.27 and 103,043.97

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Solution

The fourth proportional to 148,365.90, 204,633.27 and 103,043.97 is: 142,123.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,365.90 : 204,633.27 = 103,043.97 : x
  2. Step 2: Convert to fraction form
    148,365.90/204,633.27 = 103,043.97/x
  3. Step 3: Cross multiply
    148,365.90x = 204,633.27 × 103,043.97
  4. Step 4: Simplify right side
    148,365.90x = 21,086,224,534.88
  5. Step 5: Solve for x
    x = 21,086,224,534.88/148,365.90
  6. Step 6: Final answer
    x = 142,123.12

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.