Home / 343,747.35-474,369.69-190,787.37

Finding the Fourth Proportional to 343,747.35, 474,369.69 and 190,787.37

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Solution

The fourth proportional to 343,747.35, 474,369.69 and 190,787.37 is: 263,285.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,747.35 : 474,369.69 = 190,787.37 : x
  2. Step 2: Convert to fraction form
    343,747.35/474,369.69 = 190,787.37/x
  3. Step 3: Cross multiply
    343,747.35x = 474,369.69 × 190,787.37
  4. Step 4: Simplify right side
    343,747.35x = 90,503,745,562.82
  5. Step 5: Solve for x
    x = 90,503,745,562.82/343,747.35
  6. Step 6: Final answer
    x = 263,285.65

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1.5x scale

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.