Home / 137,966.52-190,466.34-92,881.56

Finding the Fourth Proportional to 137,966.52, 190,466.34 and 92,881.56

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Solution

The fourth proportional to 137,966.52, 190,466.34 and 92,881.56 is: 128,225.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,966.52 : 190,466.34 = 92,881.56 : x
  2. Step 2: Convert to fraction form
    137,966.52/190,466.34 = 92,881.56/x
  3. Step 3: Cross multiply
    137,966.52x = 190,466.34 × 92,881.56
  4. Step 4: Simplify right side
    137,966.52x = 17,690,810,786.69
  5. Step 5: Solve for x
    x = 17,690,810,786.69/137,966.52
  6. Step 6: Final answer
    x = 128,225.39

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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.