Home / 137,881.11-190,348.59-92,796.10

Finding the Fourth Proportional to 137,881.11, 190,348.59 and 92,796.10

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Solution

The fourth proportional to 137,881.11, 190,348.59 and 92,796.10 is: 128,107.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,881.11 : 190,348.59 = 92,796.10 : x
  2. Step 2: Convert to fraction form
    137,881.11/190,348.59 = 92,796.10/x
  3. Step 3: Cross multiply
    137,881.11x = 190,348.59 × 92,796.10
  4. Step 4: Simplify right side
    137,881.11x = 17,663,606,792.50
  5. Step 5: Solve for x
    x = 17,663,606,792.50/137,881.11
  6. Step 6: Final answer
    x = 128,107.52

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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.