Home / 120,696.14-166,570.62-66,980.18

Finding the Fourth Proportional to 120,696.14, 166,570.62 and 66,980.18

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Solution

The fourth proportional to 120,696.14, 166,570.62 and 66,980.18 is: 92,438.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,696.14 : 166,570.62 = 66,980.18 : x
  2. Step 2: Convert to fraction form
    120,696.14/166,570.62 = 66,980.18/x
  3. Step 3: Cross multiply
    120,696.14x = 166,570.62 × 66,980.18
  4. Step 4: Simplify right side
    120,696.14x = 11,156,930,110.31
  5. Step 5: Solve for x
    x = 11,156,930,110.31/120,696.14
  6. Step 6: Final answer
    x = 92,438.17

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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.