Home / 127,259.56-190,889.28-38,511.04

Finding the Fourth Proportional to 127,259.56, 190,889.28 and 38,511.04

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Solution

The fourth proportional to 127,259.56, 190,889.28 and 38,511.04 is: 57,766.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,259.56 : 190,889.28 = 38,511.04 : x
  2. Step 2: Convert to fraction form
    127,259.56/190,889.28 = 38,511.04/x
  3. Step 3: Cross multiply
    127,259.56x = 190,889.28 × 38,511.04
  4. Step 4: Simplify right side
    127,259.56x = 7,351,344,697.65
  5. Step 5: Solve for x
    x = 7,351,344,697.65/127,259.56
  6. Step 6: Final answer
    x = 57,766.54

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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.