Home / 211,849.41-317,773.62-133,018.95

Finding the Fourth Proportional to 211,849.41, 317,773.62 and 133,018.95

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Solution

The fourth proportional to 211,849.41, 317,773.62 and 133,018.95 is: 199,528.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,849.41 : 317,773.62 = 133,018.95 : x
  2. Step 2: Convert to fraction form
    211,849.41/317,773.62 = 133,018.95/x
  3. Step 3: Cross multiply
    211,849.41x = 317,773.62 × 133,018.95
  4. Step 4: Simplify right side
    211,849.41x = 42,269,913,270.10
  5. Step 5: Solve for x
    x = 42,269,913,270.10/211,849.41
  6. Step 6: Final answer
    x = 199,528.11

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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.