Home / 331,935.75-458,069.23-188,695.80

Finding the Fourth Proportional to 331,935.75, 458,069.23 and 188,695.80

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Solution

The fourth proportional to 331,935.75, 458,069.23 and 188,695.80 is: 260,399.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,935.75 : 458,069.23 = 188,695.80 : x
  2. Step 2: Convert to fraction form
    331,935.75/458,069.23 = 188,695.80/x
  3. Step 3: Cross multiply
    331,935.75x = 458,069.23 × 188,695.80
  4. Step 4: Simplify right side
    331,935.75x = 86,435,739,810.23
  5. Step 5: Solve for x
    x = 86,435,739,810.23/331,935.75
  6. Step 6: Final answer
    x = 260,399.01

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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.