Home / 255,176.96-352,141.41-140,453.15

Finding the Fourth Proportional to 255,176.96, 352,141.41 and 140,453.15

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Solution

The fourth proportional to 255,176.96, 352,141.41 and 140,453.15 is: 193,823.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,176.96 : 352,141.41 = 140,453.15 : x
  2. Step 2: Convert to fraction form
    255,176.96/352,141.41 = 140,453.15/x
  3. Step 3: Cross multiply
    255,176.96x = 352,141.41 × 140,453.15
  4. Step 4: Simplify right side
    255,176.96x = 49,459,368,519.23
  5. Step 5: Solve for x
    x = 49,459,368,519.23/255,176.96
  6. Step 6: Final answer
    x = 193,823.81

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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.