Home / 343,823.78-474,469.35-190,853.12

Finding the Fourth Proportional to 343,823.78, 474,469.35 and 190,853.12

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Solution

The fourth proportional to 343,823.78, 474,469.35 and 190,853.12 is: 263,373.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,823.78 : 474,469.35 = 190,853.12 : x
  2. Step 2: Convert to fraction form
    343,823.78/474,469.35 = 190,853.12/x
  3. Step 3: Cross multiply
    343,823.78x = 474,469.35 × 190,853.12
  4. Step 4: Simplify right side
    343,823.78x = 90,553,955,791.87
  5. Step 5: Solve for x
    x = 90,553,955,791.87/343,823.78
  6. Step 6: Final answer
    x = 263,373.16

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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.