Home / 120,299.55-166,054.88-69,332.64

Finding the Fourth Proportional to 120,299.55, 166,054.88 and 69,332.64

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Solution

The fourth proportional to 120,299.55, 166,054.88 and 69,332.64 is: 95,702.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,299.55 : 166,054.88 = 69,332.64 : x
  2. Step 2: Convert to fraction form
    120,299.55/166,054.88 = 69,332.64/x
  3. Step 3: Cross multiply
    120,299.55x = 166,054.88 × 69,332.64
  4. Step 4: Simplify right side
    120,299.55x = 11,513,022,921.05
  5. Step 5: Solve for x
    x = 11,513,022,921.05/120,299.55
  6. Step 6: Final answer
    x = 95,702.96

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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.