Home / 193,821.80-290,732.70-127,466.60

Finding the Fourth Proportional to 193,821.80, 290,732.70 and 127,466.60

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Solution

The fourth proportional to 193,821.80, 290,732.70 and 127,466.60 is: 191,199.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,821.80 : 290,732.70 = 127,466.60 : x
  2. Step 2: Convert to fraction form
    193,821.80/290,732.70 = 127,466.60/x
  3. Step 3: Cross multiply
    193,821.80x = 290,732.70 × 127,466.60
  4. Step 4: Simplify right side
    193,821.80x = 37,058,708,777.82
  5. Step 5: Solve for x
    x = 37,058,708,777.82/193,821.80
  6. Step 6: Final answer
    x = 191,199.90

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1.5x scale

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.