Home / 186,787.05-257,764.89-106,214.58

Finding the Fourth Proportional to 186,787.05, 257,764.89 and 106,214.58

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Solution

The fourth proportional to 186,787.05, 257,764.89 and 106,214.58 is: 146,575.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,787.05 : 257,764.89 = 106,214.58 : x
  2. Step 2: Convert to fraction form
    186,787.05/257,764.89 = 106,214.58/x
  3. Step 3: Cross multiply
    186,787.05x = 257,764.89 × 106,214.58
  4. Step 4: Simplify right side
    186,787.05x = 27,378,389,530.10
  5. Step 5: Solve for x
    x = 27,378,389,530.10/186,787.05
  6. Step 6: Final answer
    x = 146,575.42

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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.