Home / 120,777.26-166,667.57-67,059.08

Finding the Fourth Proportional to 120,777.26, 166,667.57 and 67,059.08

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Solution

The fourth proportional to 120,777.26, 166,667.57 and 67,059.08 is: 92,538.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,777.26 : 166,667.57 = 67,059.08 : x
  2. Step 2: Convert to fraction form
    120,777.26/166,667.57 = 67,059.08/x
  3. Step 3: Cross multiply
    120,777.26x = 166,667.57 × 67,059.08
  4. Step 4: Simplify right side
    120,777.26x = 11,176,572,741.40
  5. Step 5: Solve for x
    x = 11,176,572,741.40/120,777.26
  6. Step 6: Final answer
    x = 92,538.72

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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.