Home / 107,445.45-161,200.37-43,370.60

Finding the Fourth Proportional to 107,445.45, 161,200.37 and 43,370.60

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Solution

The fourth proportional to 107,445.45, 161,200.37 and 43,370.60 is: 65,068.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,445.45 : 161,200.37 = 43,370.60 : x
  2. Step 2: Convert to fraction form
    107,445.45/161,200.37 = 43,370.60/x
  3. Step 3: Cross multiply
    107,445.45x = 161,200.37 × 43,370.60
  4. Step 4: Simplify right side
    107,445.45x = 6,991,356,550.27
  5. Step 5: Solve for x
    x = 6,991,356,550.27/107,445.45
  6. Step 6: Final answer
    x = 65,068.90

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1.5x scale

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.