Home / 126,809.49-190,243.40-38,064.67

Finding the Fourth Proportional to 126,809.49, 190,243.40 and 38,064.67

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Solution

The fourth proportional to 126,809.49, 190,243.40 and 38,064.67 is: 57,105.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,809.49 : 190,243.40 = 38,064.67 : x
  2. Step 2: Convert to fraction form
    126,809.49/190,243.40 = 38,064.67/x
  3. Step 3: Cross multiply
    126,809.49x = 190,243.40 × 38,064.67
  4. Step 4: Simplify right side
    126,809.49x = 7,241,552,240.68
  5. Step 5: Solve for x
    x = 7,241,552,240.68/126,809.49
  6. Step 6: Final answer
    x = 57,105.76

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1.5x scale

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.