Home / 134,022.60-200,861.10-102,702.60

Finding the Fourth Proportional to 134,022.60, 200,861.10 and 102,702.60

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Solution

The fourth proportional to 134,022.60, 200,861.10 and 102,702.60 is: 153,921.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,022.60 : 200,861.10 = 102,702.60 : x
  2. Step 2: Convert to fraction form
    134,022.60/200,861.10 = 102,702.60/x
  3. Step 3: Cross multiply
    134,022.60x = 200,861.10 × 102,702.60
  4. Step 4: Simplify right side
    134,022.60x = 20,628,957,208.86
  5. Step 5: Solve for x
    x = 20,628,957,208.86/134,022.60
  6. Step 6: Final answer
    x = 153,921.48

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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.