Home / 126,465.48-189,727.02-43,354.44

Finding the Fourth Proportional to 126,465.48, 189,727.02 and 43,354.44

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Solution

The fourth proportional to 126,465.48, 189,727.02 and 43,354.44 is: 65,041.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,465.48 : 189,727.02 = 43,354.44 : x
  2. Step 2: Convert to fraction form
    126,465.48/189,727.02 = 43,354.44/x
  3. Step 3: Cross multiply
    126,465.48x = 189,727.02 × 43,354.44
  4. Step 4: Simplify right side
    126,465.48x = 8,225,508,704.97
  5. Step 5: Solve for x
    x = 8,225,508,704.97/126,465.48
  6. Step 6: Final answer
    x = 65,041.53

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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.