Home / 211,375.37-317,095.86-71,123.06

Finding the Fourth Proportional to 211,375.37, 317,095.86 and 71,123.06

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Solution

The fourth proportional to 211,375.37, 317,095.86 and 71,123.06 is: 106,695.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,375.37 : 317,095.86 = 71,123.06 : x
  2. Step 2: Convert to fraction form
    211,375.37/317,095.86 = 71,123.06/x
  3. Step 3: Cross multiply
    211,375.37x = 317,095.86 × 71,123.06
  4. Step 4: Simplify right side
    211,375.37x = 22,552,828,935.98
  5. Step 5: Solve for x
    x = 22,552,828,935.98/211,375.37
  6. Step 6: Final answer
    x = 106,695.63

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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.