Home / 211,931.24-292,343.46-132,305

Finding the Fourth Proportional to 211,931.24, 292,343.46 and 132,305

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Solution

The fourth proportional to 211,931.24, 292,343.46 and 132,305 is: 182,504.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,931.24 : 292,343.46 = 132,305 : x
  2. Step 2: Convert to fraction form
    211,931.24/292,343.46 = 132,305/x
  3. Step 3: Cross multiply
    211,931.24x = 292,343.46 × 132,305
  4. Step 4: Simplify right side
    211,931.24x = 38,678,501,475.30
  5. Step 5: Solve for x
    x = 38,678,501,475.30/211,931.24
  6. Step 6: Final answer
    x = 182,504.96

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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.