Home / 255,215.54-352,197.44-142,065.02

Finding the Fourth Proportional to 255,215.54, 352,197.44 and 142,065.02

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Solution

The fourth proportional to 255,215.54, 352,197.44 and 142,065.02 is: 196,049.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,215.54 : 352,197.44 = 142,065.02 : x
  2. Step 2: Convert to fraction form
    255,215.54/352,197.44 = 142,065.02/x
  3. Step 3: Cross multiply
    255,215.54x = 352,197.44 × 142,065.02
  4. Step 4: Simplify right side
    255,215.54x = 50,034,933,886.24
  5. Step 5: Solve for x
    x = 50,034,933,886.24/255,215.54
  6. Step 6: Final answer
    x = 196,049.72

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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.