Home / 211,541.95-317,014.57-116,814.78

Finding the Fourth Proportional to 211,541.95, 317,014.57 and 116,814.78

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Solution

The fourth proportional to 211,541.95, 317,014.57 and 116,814.78 is: 175,057.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,541.95 : 317,014.57 = 116,814.78 : x
  2. Step 2: Convert to fraction form
    211,541.95/317,014.57 = 116,814.78/x
  3. Step 3: Cross multiply
    211,541.95x = 317,014.57 × 116,814.78
  4. Step 4: Simplify right side
    211,541.95x = 37,031,987,251.34
  5. Step 5: Solve for x
    x = 37,031,987,251.34/211,541.95
  6. Step 6: Final answer
    x = 175,057.42

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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.