Home / 126,803.21-174,988.08-73,087.92

Finding the Fourth Proportional to 126,803.21, 174,988.08 and 73,087.92

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Solution

The fourth proportional to 126,803.21, 174,988.08 and 73,087.92 is: 100,861.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,803.21 : 174,988.08 = 73,087.92 : x
  2. Step 2: Convert to fraction form
    126,803.21/174,988.08 = 73,087.92/x
  3. Step 3: Cross multiply
    126,803.21x = 174,988.08 × 73,087.92
  4. Step 4: Simplify right side
    126,803.21x = 12,789,514,791.99
  5. Step 5: Solve for x
    x = 12,789,514,791.99/126,803.21
  6. Step 6: Final answer
    x = 100,861.13

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.