Home / 186,951.12-257,991.53-102,067.58

Finding the Fourth Proportional to 186,951.12, 257,991.53 and 102,067.58

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Solution

The fourth proportional to 186,951.12, 257,991.53 and 102,067.58 is: 140,852.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,951.12 : 257,991.53 = 102,067.58 : x
  2. Step 2: Convert to fraction form
    186,951.12/257,991.53 = 102,067.58/x
  3. Step 3: Cross multiply
    186,951.12x = 257,991.53 × 102,067.58
  4. Step 4: Simplify right side
    186,951.12x = 26,332,569,327.30
  5. Step 5: Solve for x
    x = 26,332,569,327.30/186,951.12
  6. Step 6: Final answer
    x = 140,852.70

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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.