Home / 186,921.30-257,942.40-106,341.24

Finding the Fourth Proportional to 186,921.30, 257,942.40 and 106,341.24

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Solution

The fourth proportional to 186,921.30, 257,942.40 and 106,341.24 is: 146,745.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,921.30 : 257,942.40 = 106,341.24 : x
  2. Step 2: Convert to fraction form
    186,921.30/257,942.40 = 106,341.24/x
  3. Step 3: Cross multiply
    186,921.30x = 257,942.40 × 106,341.24
  4. Step 4: Simplify right side
    186,921.30x = 27,429,914,664.58
  5. Step 5: Solve for x
    x = 27,429,914,664.58/186,921.30
  6. Step 6: Final answer
    x = 146,745.79

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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.