Home / 255,177.40-352,142.04-140,453.56

Finding the Fourth Proportional to 255,177.40, 352,142.04 and 140,453.56

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Solution

The fourth proportional to 255,177.40, 352,142.04 and 140,453.56 is: 193,824.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,177.40 : 352,142.04 = 140,453.56 : x
  2. Step 2: Convert to fraction form
    255,177.40/352,142.04 = 140,453.56/x
  3. Step 3: Cross multiply
    255,177.40x = 352,142.04 × 140,453.56
  4. Step 4: Simplify right side
    255,177.40x = 49,459,603,143.66
  5. Step 5: Solve for x
    x = 49,459,603,143.66/255,177.40
  6. Step 6: Final answer
    x = 193,824.39

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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.