Home / 211,340.03-291,656.72-115,846.70

Finding the Fourth Proportional to 211,340.03, 291,656.72 and 115,846.70

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Solution

The fourth proportional to 211,340.03, 291,656.72 and 115,846.70 is: 159,872.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,340.03 : 291,656.72 = 115,846.70 : x
  2. Step 2: Convert to fraction form
    211,340.03/291,656.72 = 115,846.70/x
  3. Step 3: Cross multiply
    211,340.03x = 291,656.72 × 115,846.70
  4. Step 4: Simplify right side
    211,340.03x = 33,787,467,965.59
  5. Step 5: Solve for x
    x = 33,787,467,965.59/211,340.03
  6. Step 6: Final answer
    x = 159,872.54

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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.