Home / 120,953.25-166,907.59-67,236.28

Finding the Fourth Proportional to 120,953.25, 166,907.59 and 67,236.28

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Solution

The fourth proportional to 120,953.25, 166,907.59 and 67,236.28 is: 92,781.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,953.25 : 166,907.59 = 67,236.28 : x
  2. Step 2: Convert to fraction form
    120,953.25/166,907.59 = 67,236.28/x
  3. Step 3: Cross multiply
    120,953.25x = 166,907.59 × 67,236.28
  4. Step 4: Simplify right side
    120,953.25x = 11,222,244,870.01
  5. Step 5: Solve for x
    x = 11,222,244,870.01/120,953.25
  6. Step 6: Final answer
    x = 92,781.67

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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.