Home / 211,383.30-291,708.86-115,887.94

Finding the Fourth Proportional to 211,383.30, 291,708.86 and 115,887.94

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Solution

The fourth proportional to 211,383.30, 291,708.86 and 115,887.94 is: 159,925.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,383.30 : 291,708.86 = 115,887.94 : x
  2. Step 2: Convert to fraction form
    211,383.30/291,708.86 = 115,887.94/x
  3. Step 3: Cross multiply
    211,383.30x = 291,708.86 × 115,887.94
  4. Step 4: Simplify right side
    211,383.30x = 33,805,538,865.15
  5. Step 5: Solve for x
    x = 33,805,538,865.15/211,383.30
  6. Step 6: Final answer
    x = 159,925.31

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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.