Home / 186,052.80-278,771.40-107,029.20

Finding the Fourth Proportional to 186,052.80, 278,771.40 and 107,029.20

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Solution

The fourth proportional to 186,052.80, 278,771.40 and 107,029.20 is: 160,366.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,052.80 : 278,771.40 = 107,029.20 : x
  2. Step 2: Convert to fraction form
    186,052.80/278,771.40 = 107,029.20/x
  3. Step 3: Cross multiply
    186,052.80x = 278,771.40 × 107,029.20
  4. Step 4: Simplify right side
    186,052.80x = 29,836,679,924.88
  5. Step 5: Solve for x
    x = 29,836,679,924.88/186,052.80
  6. Step 6: Final answer
    x = 160,366.73

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.