Home / 148,336.30-222,406.17-81,808.30

Finding the Fourth Proportional to 148,336.30, 222,406.17 and 81,808.30

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Solution

The fourth proportional to 148,336.30, 222,406.17 and 81,808.30 is: 122,658.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,336.30 : 222,406.17 = 81,808.30 : x
  2. Step 2: Convert to fraction form
    148,336.30/222,406.17 = 81,808.30/x
  3. Step 3: Cross multiply
    148,336.30x = 222,406.17 × 81,808.30
  4. Step 4: Simplify right side
    148,336.30x = 18,194,670,677.21
  5. Step 5: Solve for x
    x = 18,194,670,677.21/148,336.30
  6. Step 6: Final answer
    x = 122,658.25

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1.5x scale

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.