Home / 211,084.85-291,297.24-115,591.57

Finding the Fourth Proportional to 211,084.85, 291,297.24 and 115,591.57

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Solution

The fourth proportional to 211,084.85, 291,297.24 and 115,591.57 is: 159,516.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,084.85 : 291,297.24 = 115,591.57 : x
  2. Step 2: Convert to fraction form
    211,084.85/291,297.24 = 115,591.57/x
  3. Step 3: Cross multiply
    211,084.85x = 291,297.24 × 115,591.57
  4. Step 4: Simplify right side
    211,084.85x = 33,671,503,851.78
  5. Step 5: Solve for x
    x = 33,671,503,851.78/211,084.85
  6. Step 6: Final answer
    x = 159,516.44

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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.