Home / 370,531.12-511,333.44-200,765.28

Finding the Fourth Proportional to 370,531.12, 511,333.44 and 200,765.28

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Solution

The fourth proportional to 370,531.12, 511,333.44 and 200,765.28 is: 277,056.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,531.12 : 511,333.44 = 200,765.28 : x
  2. Step 2: Convert to fraction form
    370,531.12/511,333.44 = 200,765.28/x
  3. Step 3: Cross multiply
    370,531.12x = 511,333.44 × 200,765.28
  4. Step 4: Simplify right side
    370,531.12x = 102,658,001,254.96
  5. Step 5: Solve for x
    x = 102,658,001,254.96/370,531.12
  6. Step 6: Final answer
    x = 277,056.35

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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.