Home / 92,817.40-139,226.10-83,194.60

Finding the Fourth Proportional to 92,817.40, 139,226.10 and 83,194.60

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Solution

The fourth proportional to 92,817.40, 139,226.10 and 83,194.60 is: 124,791.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,817.40 : 139,226.10 = 83,194.60 : x
  2. Step 2: Convert to fraction form
    92,817.40/139,226.10 = 83,194.60/x
  3. Step 3: Cross multiply
    92,817.40x = 139,226.10 × 83,194.60
  4. Step 4: Simplify right side
    92,817.40x = 11,582,859,699.06
  5. Step 5: Solve for x
    x = 11,582,859,699.06/92,817.40
  6. Step 6: Final answer
    x = 124,791.90

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Why These Related Problems?

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