Home / 126,096.40-188,914.20-102,595.60

Finding the Fourth Proportional to 126,096.40, 188,914.20 and 102,595.60

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Solution

The fourth proportional to 126,096.40, 188,914.20 and 102,595.60 is: 153,705.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,096.40 : 188,914.20 = 102,595.60 : x
  2. Step 2: Convert to fraction form
    126,096.40/188,914.20 = 102,595.60/x
  3. Step 3: Cross multiply
    126,096.40x = 188,914.20 × 102,595.60
  4. Step 4: Simplify right side
    126,096.40x = 19,381,765,697.52
  5. Step 5: Solve for x
    x = 19,381,765,697.52/126,096.40
  6. Step 6: Final answer
    x = 153,705.94

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.