Home / 211,731.60-292,192.92-116,247

Finding the Fourth Proportional to 211,731.60, 292,192.92 and 116,247

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Solution

The fourth proportional to 211,731.60, 292,192.92 and 116,247 is: 160,422.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,731.60 : 292,192.92 = 116,247 : x
  2. Step 2: Convert to fraction form
    211,731.60/292,192.92 = 116,247/x
  3. Step 3: Cross multiply
    211,731.60x = 292,192.92 × 116,247
  4. Step 4: Simplify right side
    211,731.60x = 33,966,550,371.24
  5. Step 5: Solve for x
    x = 33,966,550,371.24/211,731.60
  6. Step 6: Final answer
    x = 160,422.68

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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.