Home / 211,317.96-291,626.04-115,824.60

Finding the Fourth Proportional to 211,317.96, 291,626.04 and 115,824.60

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Solution

The fourth proportional to 211,317.96, 291,626.04 and 115,824.60 is: 159,841.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,317.96 : 291,626.04 = 115,824.60 : x
  2. Step 2: Convert to fraction form
    211,317.96/291,626.04 = 115,824.60/x
  3. Step 3: Cross multiply
    211,317.96x = 291,626.04 × 115,824.60
  4. Step 4: Simplify right side
    211,317.96x = 33,777,469,432.58
  5. Step 5: Solve for x
    x = 33,777,469,432.58/211,317.96
  6. Step 6: Final answer
    x = 159,841.92

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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.