Home / 127,113.23-190,671.17-38,367.47

Finding the Fourth Proportional to 127,113.23, 190,671.17 and 38,367.47

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Solution

The fourth proportional to 127,113.23, 190,671.17 and 38,367.47 is: 57,551.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,113.23 : 190,671.17 = 38,367.47 : x
  2. Step 2: Convert to fraction form
    127,113.23/190,671.17 = 38,367.47/x
  3. Step 3: Cross multiply
    127,113.23x = 190,671.17 × 38,367.47
  4. Step 4: Simplify right side
    127,113.23x = 7,315,570,679.68
  5. Step 5: Solve for x
    x = 7,315,570,679.68/127,113.23
  6. Step 6: Final answer
    x = 57,551.61

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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.