Home / 341,905.84-471,828.90-188,939.78

Finding the Fourth Proportional to 341,905.84, 471,828.90 and 188,939.78

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Solution

The fourth proportional to 341,905.84, 471,828.90 and 188,939.78 is: 260,736.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,905.84 : 471,828.90 = 188,939.78 : x
  2. Step 2: Convert to fraction form
    341,905.84/471,828.90 = 188,939.78/x
  3. Step 3: Cross multiply
    341,905.84x = 471,828.90 × 188,939.78
  4. Step 4: Simplify right side
    341,905.84x = 89,147,248,563.64
  5. Step 5: Solve for x
    x = 89,147,248,563.64/341,905.84
  6. Step 6: Final answer
    x = 260,736.26

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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.