Home / 461,556.40-691,816.20-195,271.60

Finding the Fourth Proportional to 461,556.40, 691,816.20 and 195,271.60

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Solution

The fourth proportional to 461,556.40, 691,816.20 and 195,271.60 is: 292,688.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    461,556.40 : 691,816.20 = 195,271.60 : x
  2. Step 2: Convert to fraction form
    461,556.40/691,816.20 = 195,271.60/x
  3. Step 3: Cross multiply
    461,556.40x = 691,816.20 × 195,271.60
  4. Step 4: Simplify right side
    461,556.40x = 135,092,056,279.92
  5. Step 5: Solve for x
    x = 135,092,056,279.92/461,556.40
  6. Step 6: Final answer
    x = 292,688.08

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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.