Home / 274,810.40-379,048.64-193,311.44

Finding the Fourth Proportional to 274,810.40, 379,048.64 and 193,311.44

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Solution

The fourth proportional to 274,810.40, 379,048.64 and 193,311.44 is: 266,636.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,810.40 : 379,048.64 = 193,311.44 : x
  2. Step 2: Convert to fraction form
    274,810.40/379,048.64 = 193,311.44/x
  3. Step 3: Cross multiply
    274,810.40x = 379,048.64 × 193,311.44
  4. Step 4: Simplify right side
    274,810.40x = 73,274,438,428.44
  5. Step 5: Solve for x
    x = 73,274,438,428.44/274,810.40
  6. Step 6: Final answer
    x = 266,636.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.