Home / 186,765.38-257,725.73-106,181.54

Finding the Fourth Proportional to 186,765.38, 257,725.73 and 106,181.54

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Solution

The fourth proportional to 186,765.38, 257,725.73 and 106,181.54 is: 146,524.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,765.38 : 257,725.73 = 106,181.54 : x
  2. Step 2: Convert to fraction form
    186,765.38/257,725.73 = 106,181.54/x
  3. Step 3: Cross multiply
    186,765.38x = 257,725.73 × 106,181.54
  4. Step 4: Simplify right side
    186,765.38x = 27,365,714,909.02
  5. Step 5: Solve for x
    x = 27,365,714,909.02/186,765.38
  6. Step 6: Final answer
    x = 146,524.56

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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.