Home / 211,233.50-291,454.94-120,560.48

Finding the Fourth Proportional to 211,233.50, 291,454.94 and 120,560.48

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Solution

The fourth proportional to 211,233.50, 291,454.94 and 120,560.48 is: 166,346.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,233.50 : 291,454.94 = 120,560.48 : x
  2. Step 2: Convert to fraction form
    211,233.50/291,454.94 = 120,560.48/x
  3. Step 3: Cross multiply
    211,233.50x = 291,454.94 × 120,560.48
  4. Step 4: Simplify right side
    211,233.50x = 35,137,947,464.77
  5. Step 5: Solve for x
    x = 35,137,947,464.77/211,233.50
  6. Step 6: Final answer
    x = 166,346.47

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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.