Home / 127,259.30-190,891.69-38,512.67

Finding the Fourth Proportional to 127,259.30, 190,891.69 and 38,512.67

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Solution

The fourth proportional to 127,259.30, 190,891.69 and 38,512.67 is: 57,769.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,259.30 : 190,891.69 = 38,512.67 : x
  2. Step 2: Convert to fraction form
    127,259.30/190,891.69 = 38,512.67/x
  3. Step 3: Cross multiply
    127,259.30x = 190,891.69 × 38,512.67
  4. Step 4: Simplify right side
    127,259.30x = 7,351,747,611.97
  5. Step 5: Solve for x
    x = 7,351,747,611.97/127,259.30
  6. Step 6: Final answer
    x = 57,769.82

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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.