Home / 554,499.20-831,741.12-133,771.52

Finding the Fourth Proportional to 554,499.20, 831,741.12 and 133,771.52

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Solution

The fourth proportional to 554,499.20, 831,741.12 and 133,771.52 is: 200,655.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,499.20 : 831,741.12 = 133,771.52 : x
  2. Step 2: Convert to fraction form
    554,499.20/831,741.12 = 133,771.52/x
  3. Step 3: Cross multiply
    554,499.20x = 831,741.12 × 133,771.52
  4. Step 4: Simplify right side
    554,499.20x = 111,263,273,868.90
  5. Step 5: Solve for x
    x = 111,263,273,868.90/554,499.20
  6. Step 6: Final answer
    x = 200,655.43

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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.