Home / 97,265.20-145,662.67-80,501.85

Finding the Fourth Proportional to 97,265.20, 145,662.67 and 80,501.85

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Solution

The fourth proportional to 97,265.20, 145,662.67 and 80,501.85 is: 120,558.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,265.20 : 145,662.67 = 80,501.85 : x
  2. Step 2: Convert to fraction form
    97,265.20/145,662.67 = 80,501.85/x
  3. Step 3: Cross multiply
    97,265.20x = 145,662.67 × 80,501.85
  4. Step 4: Simplify right side
    97,265.20x = 11,726,114,410.94
  5. Step 5: Solve for x
    x = 11,726,114,410.94/97,265.20
  6. Step 6: Final answer
    x = 120,558.17

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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.