Home / 102,563.40-153,845.10-95,190.60

Finding the Fourth Proportional to 102,563.40, 153,845.10 and 95,190.60

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Solution

The fourth proportional to 102,563.40, 153,845.10 and 95,190.60 is: 142,785.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,563.40 : 153,845.10 = 95,190.60 : x
  2. Step 2: Convert to fraction form
    102,563.40/153,845.10 = 95,190.60/x
  3. Step 3: Cross multiply
    102,563.40x = 153,845.10 × 95,190.60
  4. Step 4: Simplify right side
    102,563.40x = 14,644,607,376.06
  5. Step 5: Solve for x
    x = 14,644,607,376.06/102,563.40
  6. Step 6: Final answer
    x = 142,785.90

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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.