Home / 120,458.04-166,232.36-66,742.60

Finding the Fourth Proportional to 120,458.04, 166,232.36 and 66,742.60

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Solution

The fourth proportional to 120,458.04, 166,232.36 and 66,742.60 is: 92,104.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,458.04 : 166,232.36 = 66,742.60 : x
  2. Step 2: Convert to fraction form
    120,458.04/166,232.36 = 66,742.60/x
  3. Step 3: Cross multiply
    120,458.04x = 166,232.36 × 66,742.60
  4. Step 4: Simplify right side
    120,458.04x = 11,094,779,910.54
  5. Step 5: Solve for x
    x = 11,094,779,910.54/120,458.04
  6. Step 6: Final answer
    x = 92,104.93

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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.