Home / 291,034.11-401,648.02-161,982.89

Finding the Fourth Proportional to 291,034.11, 401,648.02 and 161,982.89

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Solution

The fourth proportional to 291,034.11, 401,648.02 and 161,982.89 is: 223,548.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,034.11 : 401,648.02 = 161,982.89 : x
  2. Step 2: Convert to fraction form
    291,034.11/401,648.02 = 161,982.89/x
  3. Step 3: Cross multiply
    291,034.11x = 401,648.02 × 161,982.89
  4. Step 4: Simplify right side
    291,034.11x = 65,060,106,135.36
  5. Step 5: Solve for x
    x = 65,060,106,135.36/291,034.11
  6. Step 6: Final answer
    x = 223,548.04

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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.