Home / 126,491.50-174,558.27-76,200.22

Finding the Fourth Proportional to 126,491.50, 174,558.27 and 76,200.22

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Solution

The fourth proportional to 126,491.50, 174,558.27 and 76,200.22 is: 105,156.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,491.50 : 174,558.27 = 76,200.22 : x
  2. Step 2: Convert to fraction form
    126,491.50/174,558.27 = 76,200.22/x
  3. Step 3: Cross multiply
    126,491.50x = 174,558.27 × 76,200.22
  4. Step 4: Simplify right side
    126,491.50x = 13,301,378,576.82
  5. Step 5: Solve for x
    x = 13,301,378,576.82/126,491.50
  6. Step 6: Final answer
    x = 105,156.30

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1.5x scale

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.