Home / 211,192.52-291,446.71-115,699.25

Finding the Fourth Proportional to 211,192.52, 291,446.71 and 115,699.25

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Solution

The fourth proportional to 211,192.52, 291,446.71 and 115,699.25 is: 159,665.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,192.52 : 291,446.71 = 115,699.25 : x
  2. Step 2: Convert to fraction form
    211,192.52/291,446.71 = 115,699.25/x
  3. Step 3: Cross multiply
    211,192.52x = 291,446.71 × 115,699.25
  4. Step 4: Simplify right side
    211,192.52x = 33,720,166,201.34
  5. Step 5: Solve for x
    x = 33,720,166,201.34/211,192.52
  6. Step 6: Final answer
    x = 159,665.54

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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.