Home / 186,923.69-257,954.58-102,040.73

Finding the Fourth Proportional to 186,923.69, 257,954.58 and 102,040.73

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Solution

The fourth proportional to 186,923.69, 257,954.58 and 102,040.73 is: 140,816.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,923.69 : 257,954.58 = 102,040.73 : x
  2. Step 2: Convert to fraction form
    186,923.69/257,954.58 = 102,040.73/x
  3. Step 3: Cross multiply
    186,923.69x = 257,954.58 × 102,040.73
  4. Step 4: Simplify right side
    186,923.69x = 26,321,873,650.04
  5. Step 5: Solve for x
    x = 26,321,873,650.04/186,923.69
  6. Step 6: Final answer
    x = 140,816.15

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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.