Home / 148,012.82-204,252.19-84,338.31

Finding the Fourth Proportional to 148,012.82, 204,252.19 and 84,338.31

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Solution

The fourth proportional to 148,012.82, 204,252.19 and 84,338.31 is: 116,383.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,012.82 : 204,252.19 = 84,338.31 : x
  2. Step 2: Convert to fraction form
    148,012.82/204,252.19 = 84,338.31/x
  3. Step 3: Cross multiply
    148,012.82x = 204,252.19 × 84,338.31
  4. Step 4: Simplify right side
    148,012.82x = 17,226,284,518.40
  5. Step 5: Solve for x
    x = 17,226,284,518.40/148,012.82
  6. Step 6: Final answer
    x = 116,383.73

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1.5x scale

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.