Home / 156,839.40-235,126.83-68,026

Finding the Fourth Proportional to 156,839.40, 235,126.83 and 68,026

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Solution

The fourth proportional to 156,839.40, 235,126.83 and 68,026 is: 101,981.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,839.40 : 235,126.83 = 68,026 : x
  2. Step 2: Convert to fraction form
    156,839.40/235,126.83 = 68,026/x
  3. Step 3: Cross multiply
    156,839.40x = 235,126.83 × 68,026
  4. Step 4: Simplify right side
    156,839.40x = 15,994,737,737.58
  5. Step 5: Solve for x
    x = 15,994,737,737.58/156,839.40
  6. Step 6: Final answer
    x = 101,981.63

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.