Home / 122,267.70-183,401.55-92,743.20

Finding the Fourth Proportional to 122,267.70, 183,401.55 and 92,743.20

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Solution

The fourth proportional to 122,267.70, 183,401.55 and 92,743.20 is: 139,114.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,267.70 : 183,401.55 = 92,743.20 : x
  2. Step 2: Convert to fraction form
    122,267.70/183,401.55 = 92,743.20/x
  3. Step 3: Cross multiply
    122,267.70x = 183,401.55 × 92,743.20
  4. Step 4: Simplify right side
    122,267.70x = 17,009,246,631.96
  5. Step 5: Solve for x
    x = 17,009,246,631.96/122,267.70
  6. Step 6: Final answer
    x = 139,114.80

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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.