Home / 211,266.56-316,686.60-132,436.15

Finding the Fourth Proportional to 211,266.56, 316,686.60 and 132,436.15

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Solution

The fourth proportional to 211,266.56, 316,686.60 and 132,436.15 is: 198,520.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,266.56 : 316,686.60 = 132,436.15 : x
  2. Step 2: Convert to fraction form
    211,266.56/316,686.60 = 132,436.15/x
  3. Step 3: Cross multiply
    211,266.56x = 316,686.60 × 132,436.15
  4. Step 4: Simplify right side
    211,266.56x = 41,940,752,477.16
  5. Step 5: Solve for x
    x = 41,940,752,477.16/211,266.56
  6. Step 6: Final answer
    x = 198,520.54

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.