Home / 211,873.63-292,313.19-121,196.56

Finding the Fourth Proportional to 211,873.63, 292,313.19 and 121,196.56

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Solution

The fourth proportional to 211,873.63, 292,313.19 and 121,196.56 is: 167,209.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,873.63 : 292,313.19 = 121,196.56 : x
  2. Step 2: Convert to fraction form
    211,873.63/292,313.19 = 121,196.56/x
  3. Step 3: Cross multiply
    211,873.63x = 292,313.19 × 121,196.56
  4. Step 4: Simplify right side
    211,873.63x = 35,427,353,070.63
  5. Step 5: Solve for x
    x = 35,427,353,070.63/211,873.63
  6. Step 6: Final answer
    x = 167,209.83

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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.