Home / 135,485.18-203,153.10-46,665.44

Finding the Fourth Proportional to 135,485.18, 203,153.10 and 46,665.44

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Solution

The fourth proportional to 135,485.18, 203,153.10 and 46,665.44 is: 69,972.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,485.18 : 203,153.10 = 46,665.44 : x
  2. Step 2: Convert to fraction form
    135,485.18/203,153.10 = 46,665.44/x
  3. Step 3: Cross multiply
    135,485.18x = 203,153.10 × 46,665.44
  4. Step 4: Simplify right side
    135,485.18x = 9,480,228,798.86
  5. Step 5: Solve for x
    x = 9,480,228,798.86/135,485.18
  6. Step 6: Final answer
    x = 69,972.44

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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.