Home / 137,654.10-190,029.40-92,315.56

Finding the Fourth Proportional to 137,654.10, 190,029.40 and 92,315.56

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Solution

The fourth proportional to 137,654.10, 190,029.40 and 92,315.56 is: 127,440.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,654.10 : 190,029.40 = 92,315.56 : x
  2. Step 2: Convert to fraction form
    137,654.10/190,029.40 = 92,315.56/x
  3. Step 3: Cross multiply
    137,654.10x = 190,029.40 × 92,315.56
  4. Step 4: Simplify right side
    137,654.10x = 17,542,670,477.46
  5. Step 5: Solve for x
    x = 17,542,670,477.46/137,654.10
  6. Step 6: Final answer
    x = 127,440.23

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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.