Home / 197,071.71-271,958.91-106,427.66

Finding the Fourth Proportional to 197,071.71, 271,958.91 and 106,427.66

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Solution

The fourth proportional to 197,071.71, 271,958.91 and 106,427.66 is: 146,870.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,071.71 : 271,958.91 = 106,427.66 : x
  2. Step 2: Convert to fraction form
    197,071.71/271,958.91 = 106,427.66/x
  3. Step 3: Cross multiply
    197,071.71x = 271,958.91 × 106,427.66
  4. Step 4: Simplify right side
    197,071.71x = 28,943,949,047.66
  5. Step 5: Solve for x
    x = 28,943,949,047.66/197,071.71
  6. Step 6: Final answer
    x = 146,870.14

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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.