Home / 126,021.60-188,835.54-107,224.34

Finding the Fourth Proportional to 126,021.60, 188,835.54 and 107,224.34

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Solution

The fourth proportional to 126,021.60, 188,835.54 and 107,224.34 is: 160,669.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,021.60 : 188,835.54 = 107,224.34 : x
  2. Step 2: Convert to fraction form
    126,021.60/188,835.54 = 107,224.34/x
  3. Step 3: Cross multiply
    126,021.60x = 188,835.54 × 107,224.34
  4. Step 4: Simplify right side
    126,021.60x = 20,247,764,798.77
  5. Step 5: Solve for x
    x = 20,247,764,798.77/126,021.60
  6. Step 6: Final answer
    x = 160,669.00

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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.