Home / 126,944.16-190,349.68-43,818.40

Finding the Fourth Proportional to 126,944.16, 190,349.68 and 43,818.40

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Solution

The fourth proportional to 126,944.16, 190,349.68 and 43,818.40 is: 65,704.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,944.16 : 190,349.68 = 43,818.40 : x
  2. Step 2: Convert to fraction form
    126,944.16/190,349.68 = 43,818.40/x
  3. Step 3: Cross multiply
    126,944.16x = 190,349.68 × 43,818.40
  4. Step 4: Simplify right side
    126,944.16x = 8,340,818,418.11
  5. Step 5: Solve for x
    x = 8,340,818,418.11/126,944.16
  6. Step 6: Final answer
    x = 65,704.62

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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.