Home / 331,823.51-457,955.32-188,605.08

Finding the Fourth Proportional to 331,823.51, 457,955.32 and 188,605.08

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Solution

The fourth proportional to 331,823.51, 457,955.32 and 188,605.08 is: 260,297.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,823.51 : 457,955.32 = 188,605.08 : x
  2. Step 2: Convert to fraction form
    331,823.51/457,955.32 = 188,605.08/x
  3. Step 3: Cross multiply
    331,823.51x = 457,955.32 × 188,605.08
  4. Step 4: Simplify right side
    331,823.51x = 86,372,699,765.03
  5. Step 5: Solve for x
    x = 86,372,699,765.03/331,823.51
  6. Step 6: Final answer
    x = 260,297.11

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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.