Home / 369,076.20-553,614.30-200,677.20

Finding the Fourth Proportional to 369,076.20, 553,614.30 and 200,677.20

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Solution

The fourth proportional to 369,076.20, 553,614.30 and 200,677.20 is: 301,015.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,076.20 : 553,614.30 = 200,677.20 : x
  2. Step 2: Convert to fraction form
    369,076.20/553,614.30 = 200,677.20/x
  3. Step 3: Cross multiply
    369,076.20x = 553,614.30 × 200,677.20
  4. Step 4: Simplify right side
    369,076.20x = 111,097,767,603.96
  5. Step 5: Solve for x
    x = 111,097,767,603.96/369,076.20
  6. Step 6: Final answer
    x = 301,015.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.