Home / 255,253.12-352,249.32-142,073.44

Finding the Fourth Proportional to 255,253.12, 352,249.32 and 142,073.44

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Solution

The fourth proportional to 255,253.12, 352,249.32 and 142,073.44 is: 196,061.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,253.12 : 352,249.32 = 142,073.44 : x
  2. Step 2: Convert to fraction form
    255,253.12/352,249.32 = 142,073.44/x
  3. Step 3: Cross multiply
    255,253.12x = 352,249.32 × 142,073.44
  4. Step 4: Simplify right side
    255,253.12x = 50,045,272,630.06
  5. Step 5: Solve for x
    x = 50,045,272,630.06/255,253.12
  6. Step 6: Final answer
    x = 196,061.36

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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.