Home / 182,931.12-252,906.84-135,108.72

Finding the Fourth Proportional to 182,931.12, 252,906.84 and 135,108.72

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Solution

The fourth proportional to 182,931.12, 252,906.84 and 135,108.72 is: 186,791.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    182,931.12 : 252,906.84 = 135,108.72 : x
  2. Step 2: Convert to fraction form
    182,931.12/252,906.84 = 135,108.72/x
  3. Step 3: Cross multiply
    182,931.12x = 252,906.84 × 135,108.72
  4. Step 4: Simplify right side
    182,931.12x = 34,169,919,431.64
  5. Step 5: Solve for x
    x = 34,169,919,431.64/182,931.12
  6. Step 6: Final answer
    x = 186,791.18

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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.