Home / 120,411.77-166,154.76-66,683.25

Finding the Fourth Proportional to 120,411.77, 166,154.76 and 66,683.25

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Solution

The fourth proportional to 120,411.77, 166,154.76 and 66,683.25 is: 92,015.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,411.77 : 166,154.76 = 66,683.25 : x
  2. Step 2: Convert to fraction form
    120,411.77/166,154.76 = 66,683.25/x
  3. Step 3: Cross multiply
    120,411.77x = 166,154.76 × 66,683.25
  4. Step 4: Simplify right side
    120,411.77x = 11,079,739,399.77
  5. Step 5: Solve for x
    x = 11,079,739,399.77/120,411.77
  6. Step 6: Final answer
    x = 92,015.42

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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.