Home / 120,599.08-166,435.56-66,894.26

Finding the Fourth Proportional to 120,599.08, 166,435.56 and 66,894.26

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Solution

The fourth proportional to 120,599.08, 166,435.56 and 66,894.26 is: 92,318.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,599.08 : 166,435.56 = 66,894.26 : x
  2. Step 2: Convert to fraction form
    120,599.08/166,435.56 = 66,894.26/x
  3. Step 3: Cross multiply
    120,599.08x = 166,435.56 × 66,894.26
  4. Step 4: Simplify right side
    120,599.08x = 11,133,582,791.71
  5. Step 5: Solve for x
    x = 11,133,582,791.71/120,599.08
  6. Step 6: Final answer
    x = 92,318.97

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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.