Home / 185,686.56-278,257.68-115,352.64

Finding the Fourth Proportional to 185,686.56, 278,257.68 and 115,352.64

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Solution

The fourth proportional to 185,686.56, 278,257.68 and 115,352.64 is: 172,859.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,686.56 : 278,257.68 = 115,352.64 : x
  2. Step 2: Convert to fraction form
    185,686.56/278,257.68 = 115,352.64/x
  3. Step 3: Cross multiply
    185,686.56x = 278,257.68 × 115,352.64
  4. Step 4: Simplify right side
    185,686.56x = 32,097,757,988.28
  5. Step 5: Solve for x
    x = 32,097,757,988.28/185,686.56
  6. Step 6: Final answer
    x = 172,859.89

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1.5x scale

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.