Home / 185,789.36-278,679.18-65,844.56

Finding the Fourth Proportional to 185,789.36, 278,679.18 and 65,844.56

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Solution

The fourth proportional to 185,789.36, 278,679.18 and 65,844.56 is: 98,765.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,789.36 : 278,679.18 = 65,844.56 : x
  2. Step 2: Convert to fraction form
    185,789.36/278,679.18 = 65,844.56/x
  3. Step 3: Cross multiply
    185,789.36x = 278,679.18 × 65,844.56
  4. Step 4: Simplify right side
    185,789.36x = 18,349,507,988.26
  5. Step 5: Solve for x
    x = 18,349,507,988.26/185,789.36
  6. Step 6: Final answer
    x = 98,765.12

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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.