Home / 120,948.20-166,907.62-67,238.12

Finding the Fourth Proportional to 120,948.20, 166,907.62 and 67,238.12

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Solution

The fourth proportional to 120,948.20, 166,907.62 and 67,238.12 is: 92,788.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,948.20 : 166,907.62 = 67,238.12 : x
  2. Step 2: Convert to fraction form
    120,948.20/166,907.62 = 67,238.12/x
  3. Step 3: Cross multiply
    120,948.20x = 166,907.62 × 67,238.12
  4. Step 4: Simplify right side
    120,948.20x = 11,222,554,582.47
  5. Step 5: Solve for x
    x = 11,222,554,582.47/120,948.20
  6. Step 6: Final answer
    x = 92,788.11

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1.5x scale

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.