Home / 197,473.16-272,512.13-106,828.91

Finding the Fourth Proportional to 197,473.16, 272,512.13 and 106,828.91

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Solution

The fourth proportional to 197,473.16, 272,512.13 and 106,828.91 is: 147,423.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,473.16 : 272,512.13 = 106,828.91 : x
  2. Step 2: Convert to fraction form
    197,473.16/272,512.13 = 106,828.91/x
  3. Step 3: Cross multiply
    197,473.16x = 272,512.13 × 106,828.91
  4. Step 4: Simplify right side
    197,473.16x = 29,112,171,912.97
  5. Step 5: Solve for x
    x = 29,112,171,912.97/197,473.16
  6. Step 6: Final answer
    x = 147,423.44

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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.