Home / 126,914.76-175,136.34-75,955.50

Finding the Fourth Proportional to 126,914.76, 175,136.34 and 75,955.50

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Solution

The fourth proportional to 126,914.76, 175,136.34 and 75,955.50 is: 104,814.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,914.76 : 175,136.34 = 75,955.50 : x
  2. Step 2: Convert to fraction form
    126,914.76/175,136.34 = 75,955.50/x
  3. Step 3: Cross multiply
    126,914.76x = 175,136.34 × 75,955.50
  4. Step 4: Simplify right side
    126,914.76x = 13,302,568,272.87
  5. Step 5: Solve for x
    x = 13,302,568,272.87/126,914.76
  6. Step 6: Final answer
    x = 104,814.98

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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.