Home / 215,656.24-297,597.72-120,157.96

Finding the Fourth Proportional to 215,656.24, 297,597.72 and 120,157.96

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Solution

The fourth proportional to 215,656.24, 297,597.72 and 120,157.96 is: 165,813.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,656.24 : 297,597.72 = 120,157.96 : x
  2. Step 2: Convert to fraction form
    215,656.24/297,597.72 = 120,157.96/x
  3. Step 3: Cross multiply
    215,656.24x = 297,597.72 × 120,157.96
  4. Step 4: Simplify right side
    215,656.24x = 35,758,734,935.85
  5. Step 5: Solve for x
    x = 35,758,734,935.85/215,656.24
  6. Step 6: Final answer
    x = 165,813.59

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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.