Home / 186,942.38-257,971.51-106,362.36

Finding the Fourth Proportional to 186,942.38, 257,971.51 and 106,362.36

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Solution

The fourth proportional to 186,942.38, 257,971.51 and 106,362.36 is: 146,774.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,942.38 : 257,971.51 = 106,362.36 : x
  2. Step 2: Convert to fraction form
    186,942.38/257,971.51 = 106,362.36/x
  3. Step 3: Cross multiply
    186,942.38x = 257,971.51 × 106,362.36
  4. Step 4: Simplify right side
    186,942.38x = 27,438,458,350.46
  5. Step 5: Solve for x
    x = 27,438,458,350.46/186,942.38
  6. Step 6: Final answer
    x = 146,774.95

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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.