Home / 370,845.76-511,766.40-201,079.36

Finding the Fourth Proportional to 370,845.76, 511,766.40 and 201,079.36

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Solution

The fourth proportional to 370,845.76, 511,766.40 and 201,079.36 is: 277,489.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,845.76 : 511,766.40 = 201,079.36 : x
  2. Step 2: Convert to fraction form
    370,845.76/511,766.40 = 201,079.36/x
  3. Step 3: Cross multiply
    370,845.76x = 511,766.40 × 201,079.36
  4. Step 4: Simplify right side
    370,845.76x = 102,905,660,181.50
  5. Step 5: Solve for x
    x = 102,905,660,181.50/370,845.76
  6. Step 6: Final answer
    x = 277,489.11

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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.