Home / 236,855.10-355,239.08-103,710.54

Finding the Fourth Proportional to 236,855.10, 355,239.08 and 103,710.54

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Solution

The fourth proportional to 236,855.10, 355,239.08 and 103,710.54 is: 155,546.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,855.10 : 355,239.08 = 103,710.54 : x
  2. Step 2: Convert to fraction form
    236,855.10/355,239.08 = 103,710.54/x
  3. Step 3: Cross multiply
    236,855.10x = 355,239.08 × 103,710.54
  4. Step 4: Simplify right side
    236,855.10x = 36,842,036,815.90
  5. Step 5: Solve for x
    x = 36,842,036,815.90/236,855.10
  6. Step 6: Final answer
    x = 155,546.73

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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.