Home / 148,371.34-204,640.83-103,049.38

Finding the Fourth Proportional to 148,371.34, 204,640.83 and 103,049.38

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Solution

The fourth proportional to 148,371.34, 204,640.83 and 103,049.38 is: 142,130.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,371.34 : 204,640.83 = 103,049.38 : x
  2. Step 2: Convert to fraction form
    148,371.34/204,640.83 = 103,049.38/x
  3. Step 3: Cross multiply
    148,371.34x = 204,640.83 × 103,049.38
  4. Step 4: Simplify right side
    148,371.34x = 21,088,110,654.19
  5. Step 5: Solve for x
    x = 21,088,110,654.19/148,371.34
  6. Step 6: Final answer
    x = 142,130.62

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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.