Home / 193,523.20-290,263.02-67,140.16

Finding the Fourth Proportional to 193,523.20, 290,263.02 and 67,140.16

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Solution

The fourth proportional to 193,523.20, 290,263.02 and 67,140.16 is: 100,702.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,523.20 : 290,263.02 = 67,140.16 : x
  2. Step 2: Convert to fraction form
    193,523.20/290,263.02 = 67,140.16/x
  3. Step 3: Cross multiply
    193,523.20x = 290,263.02 × 67,140.16
  4. Step 4: Simplify right side
    193,523.20x = 19,488,305,604.88
  5. Step 5: Solve for x
    x = 19,488,305,604.88/193,523.20
  6. Step 6: Final answer
    x = 100,702.68

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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.