Home / 554,556.98-831,835.62-155,256.57

Finding the Fourth Proportional to 554,556.98, 831,835.62 and 155,256.57

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Solution

The fourth proportional to 554,556.98, 831,835.62 and 155,256.57 is: 232,884.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,556.98 : 831,835.62 = 155,256.57 : x
  2. Step 2: Convert to fraction form
    554,556.98/831,835.62 = 155,256.57/x
  3. Step 3: Cross multiply
    554,556.98x = 831,835.62 × 155,256.57
  4. Step 4: Simplify right side
    554,556.98x = 129,147,945,165.02
  5. Step 5: Solve for x
    x = 129,147,945,165.02/554,556.98
  6. Step 6: Final answer
    x = 232,884.90

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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.