Home / 140,599.02-194,026.64-76,936.82

Finding the Fourth Proportional to 140,599.02, 194,026.64 and 76,936.82

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Solution

The fourth proportional to 140,599.02, 194,026.64 and 76,936.82 is: 106,172.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,599.02 : 194,026.64 = 76,936.82 : x
  2. Step 2: Convert to fraction form
    140,599.02/194,026.64 = 76,936.82/x
  3. Step 3: Cross multiply
    140,599.02x = 194,026.64 × 76,936.82
  4. Step 4: Simplify right side
    140,599.02x = 14,927,792,676.88
  5. Step 5: Solve for x
    x = 14,927,792,676.88/140,599.02
  6. Step 6: Final answer
    x = 106,172.81

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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.