Home / 137,893.02-190,364.94-92,808.06

Finding the Fourth Proportional to 137,893.02, 190,364.94 and 92,808.06

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Solution

The fourth proportional to 137,893.02, 190,364.94 and 92,808.06 is: 128,123.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,893.02 : 190,364.94 = 92,808.06 : x
  2. Step 2: Convert to fraction form
    137,893.02/190,364.94 = 92,808.06/x
  3. Step 3: Cross multiply
    137,893.02x = 190,364.94 × 92,808.06
  4. Step 4: Simplify right side
    137,893.02x = 17,667,400,773.42
  5. Step 5: Solve for x
    x = 17,667,400,773.42/137,893.02
  6. Step 6: Final answer
    x = 128,123.97

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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.