Home / 142,954.02-197,285.49-82,535.73

Finding the Fourth Proportional to 142,954.02, 197,285.49 and 82,535.73

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Solution

The fourth proportional to 142,954.02, 197,285.49 and 82,535.73 is: 113,904.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,954.02 : 197,285.49 = 82,535.73 : x
  2. Step 2: Convert to fraction form
    142,954.02/197,285.49 = 82,535.73/x
  3. Step 3: Cross multiply
    142,954.02x = 197,285.49 × 82,535.73
  4. Step 4: Simplify right side
    142,954.02x = 16,283,101,935.56
  5. Step 5: Solve for x
    x = 16,283,101,935.56/142,954.02
  6. Step 6: Final answer
    x = 113,904.47

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Double scale
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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.