Home / 126,326.72-189,500.16-73,741.52

Finding the Fourth Proportional to 126,326.72, 189,500.16 and 73,741.52

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Solution

The fourth proportional to 126,326.72, 189,500.16 and 73,741.52 is: 110,618.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,326.72 : 189,500.16 = 73,741.52 : x
  2. Step 2: Convert to fraction form
    126,326.72/189,500.16 = 73,741.52/x
  3. Step 3: Cross multiply
    126,326.72x = 189,500.16 × 73,741.52
  4. Step 4: Simplify right side
    126,326.72x = 13,974,029,838.64
  5. Step 5: Solve for x
    x = 13,974,029,838.64/126,326.72
  6. Step 6: Final answer
    x = 110,618.16

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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.