Home / 137,913.44-190,255.44-117,984.38

Finding the Fourth Proportional to 137,913.44, 190,255.44 and 117,984.38

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Solution

The fourth proportional to 137,913.44, 190,255.44 and 117,984.38 is: 162,762.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,913.44 : 190,255.44 = 117,984.38 : x
  2. Step 2: Convert to fraction form
    137,913.44/190,255.44 = 117,984.38/x
  3. Step 3: Cross multiply
    137,913.44x = 190,255.44 × 117,984.38
  4. Step 4: Simplify right side
    137,913.44x = 22,447,170,130.03
  5. Step 5: Solve for x
    x = 22,447,170,130.03/137,913.44
  6. Step 6: Final answer
    x = 162,762.75

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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.