Home / 211,906.01-292,427.06-115,109.39

Finding the Fourth Proportional to 211,906.01, 292,427.06 and 115,109.39

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Solution

The fourth proportional to 211,906.01, 292,427.06 and 115,109.39 is: 158,849.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,906.01 : 292,427.06 = 115,109.39 : x
  2. Step 2: Convert to fraction form
    211,906.01/292,427.06 = 115,109.39/x
  3. Step 3: Cross multiply
    211,906.01x = 292,427.06 × 115,109.39
  4. Step 4: Simplify right side
    211,906.01x = 33,661,098,458.41
  5. Step 5: Solve for x
    x = 33,661,098,458.41/211,906.01
  6. Step 6: Final answer
    x = 158,849.20

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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.