Home / 186,839.75-257,839.57-101,956.81

Finding the Fourth Proportional to 186,839.75, 257,839.57 and 101,956.81

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Solution

The fourth proportional to 186,839.75, 257,839.57 and 101,956.81 is: 140,700.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,839.75 : 257,839.57 = 101,956.81 : x
  2. Step 2: Convert to fraction form
    186,839.75/257,839.57 = 101,956.81/x
  3. Step 3: Cross multiply
    186,839.75x = 257,839.57 × 101,956.81
  4. Step 4: Simplify right side
    186,839.75x = 26,288,500,048.97
  5. Step 5: Solve for x
    x = 26,288,500,048.97/186,839.75
  6. Step 6: Final answer
    x = 140,700.79

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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.