Home / 137,835.54-190,285.29-92,750.58

Finding the Fourth Proportional to 137,835.54, 190,285.29 and 92,750.58

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Solution

The fourth proportional to 137,835.54, 190,285.29 and 92,750.58 is: 128,044.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,835.54 : 190,285.29 = 92,750.58 : x
  2. Step 2: Convert to fraction form
    137,835.54/190,285.29 = 92,750.58/x
  3. Step 3: Cross multiply
    137,835.54x = 190,285.29 × 92,750.58
  4. Step 4: Simplify right side
    137,835.54x = 17,649,071,012.97
  5. Step 5: Solve for x
    x = 17,649,071,012.97/137,835.54
  6. Step 6: Final answer
    x = 128,044.41

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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.