Home / 137,850.54-190,306.01-92,765.58

Finding the Fourth Proportional to 137,850.54, 190,306.01 and 92,765.58

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Solution

The fourth proportional to 137,850.54, 190,306.01 and 92,765.58 is: 128,065.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,850.54 : 190,306.01 = 92,765.58 : x
  2. Step 2: Convert to fraction form
    137,850.54/190,306.01 = 92,765.58/x
  3. Step 3: Cross multiply
    137,850.54x = 190,306.01 × 92,765.58
  4. Step 4: Simplify right side
    137,850.54x = 17,653,847,395.14
  5. Step 5: Solve for x
    x = 17,653,847,395.14/137,850.54
  6. Step 6: Final answer
    x = 128,065.13

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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.