Home / 147,705.12-203,850.60-83,176.44

Finding the Fourth Proportional to 147,705.12, 203,850.60 and 83,176.44

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Solution

The fourth proportional to 147,705.12, 203,850.60 and 83,176.44 is: 114,793.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,705.12 : 203,850.60 = 83,176.44 : x
  2. Step 2: Convert to fraction form
    147,705.12/203,850.60 = 83,176.44/x
  3. Step 3: Cross multiply
    147,705.12x = 203,850.60 × 83,176.44
  4. Step 4: Simplify right side
    147,705.12x = 16,955,567,199.86
  5. Step 5: Solve for x
    x = 16,955,567,199.86/147,705.12
  6. Step 6: Final answer
    x = 114,793.36

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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.