Home / 120,410.19-166,167.45-66,696.26

Finding the Fourth Proportional to 120,410.19, 166,167.45 and 66,696.26

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Solution

The fourth proportional to 120,410.19, 166,167.45 and 66,696.26 is: 92,041.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,410.19 : 166,167.45 = 66,696.26 : x
  2. Step 2: Convert to fraction form
    120,410.19/166,167.45 = 66,696.26/x
  3. Step 3: Cross multiply
    120,410.19x = 166,167.45 × 66,696.26
  4. Step 4: Simplify right side
    120,410.19x = 11,082,746,617.90
  5. Step 5: Solve for x
    x = 11,082,746,617.90/120,410.19
  6. Step 6: Final answer
    x = 92,041.60

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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.