Home / 126,222.53-174,178.13-71,039.91

Finding the Fourth Proportional to 126,222.53, 174,178.13 and 71,039.91

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Solution

The fourth proportional to 126,222.53, 174,178.13 and 71,039.91 is: 98,030.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,222.53 : 174,178.13 = 71,039.91 : x
  2. Step 2: Convert to fraction form
    126,222.53/174,178.13 = 71,039.91/x
  3. Step 3: Cross multiply
    126,222.53x = 174,178.13 × 71,039.91
  4. Step 4: Simplify right side
    126,222.53x = 12,373,597,453.08
  5. Step 5: Solve for x
    x = 12,373,597,453.08/126,222.53
  6. Step 6: Final answer
    x = 98,030.02

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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.