Home / 211,272.66-291,558.57-115,777.32

Finding the Fourth Proportional to 211,272.66, 291,558.57 and 115,777.32

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Solution

The fourth proportional to 211,272.66, 291,558.57 and 115,777.32 is: 159,773.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,272.66 : 291,558.57 = 115,777.32 : x
  2. Step 2: Convert to fraction form
    211,272.66/291,558.57 = 115,777.32/x
  3. Step 3: Cross multiply
    211,272.66x = 291,558.57 × 115,777.32
  4. Step 4: Simplify right side
    211,272.66x = 33,755,869,857.63
  5. Step 5: Solve for x
    x = 33,755,869,857.63/211,272.66
  6. Step 6: Final answer
    x = 159,773.96

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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.