Home / 212,789.52-293,649.40-115,993.56

Finding the Fourth Proportional to 212,789.52, 293,649.40 and 115,993.56

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Solution

The fourth proportional to 212,789.52, 293,649.40 and 115,993.56 is: 160,071.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,789.52 : 293,649.40 = 115,993.56 : x
  2. Step 2: Convert to fraction form
    212,789.52/293,649.40 = 115,993.56/x
  3. Step 3: Cross multiply
    212,789.52x = 293,649.40 × 115,993.56
  4. Step 4: Simplify right side
    212,789.52x = 34,061,439,297.86
  5. Step 5: Solve for x
    x = 34,061,439,297.86/212,789.52
  6. Step 6: Final answer
    x = 160,071.04

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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.