Home / 186,983.75-257,906.62-126,527.78

Finding the Fourth Proportional to 186,983.75, 257,906.62 and 126,527.78

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Solution

The fourth proportional to 186,983.75, 257,906.62 and 126,527.78 is: 174,519.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,983.75 : 257,906.62 = 126,527.78 : x
  2. Step 2: Convert to fraction form
    186,983.75/257,906.62 = 126,527.78/x
  3. Step 3: Cross multiply
    186,983.75x = 257,906.62 × 126,527.78
  4. Step 4: Simplify right side
    186,983.75x = 32,632,352,075.90
  5. Step 5: Solve for x
    x = 32,632,352,075.90/186,983.75
  6. Step 6: Final answer
    x = 174,519.72

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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.