Home / 120,592.66-166,406.96-66,877.51

Finding the Fourth Proportional to 120,592.66, 166,406.96 and 66,877.51

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Solution

The fourth proportional to 120,592.66, 166,406.96 and 66,877.51 is: 92,284.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,592.66 : 166,406.96 = 66,877.51 : x
  2. Step 2: Convert to fraction form
    120,592.66/166,406.96 = 66,877.51/x
  3. Step 3: Cross multiply
    120,592.66x = 166,406.96 × 66,877.51
  4. Step 4: Simplify right side
    120,592.66x = 11,128,883,194.66
  5. Step 5: Solve for x
    x = 11,128,883,194.66/120,592.66
  6. Step 6: Final answer
    x = 92,284.91

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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.