Home / 197,716.80-297,266.40-193,569.60

Finding the Fourth Proportional to 197,716.80, 297,266.40 and 193,569.60

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Solution

The fourth proportional to 197,716.80, 297,266.40 and 193,569.60 is: 291,031.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,716.80 : 297,266.40 = 193,569.60 : x
  2. Step 2: Convert to fraction form
    197,716.80/297,266.40 = 193,569.60/x
  3. Step 3: Cross multiply
    197,716.80x = 297,266.40 × 193,569.60
  4. Step 4: Simplify right side
    197,716.80x = 57,541,738,141.44
  5. Step 5: Solve for x
    x = 57,541,738,141.44/197,716.80
  6. Step 6: Final answer
    x = 291,031.10

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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.