Home / 100,675.75-151,013.67-26,803.75

Finding the Fourth Proportional to 100,675.75, 151,013.67 and 26,803.75

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Solution

The fourth proportional to 100,675.75, 151,013.67 and 26,803.75 is: 40,205.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,675.75 : 151,013.67 = 26,803.75 : x
  2. Step 2: Convert to fraction form
    100,675.75/151,013.67 = 26,803.75/x
  3. Step 3: Cross multiply
    100,675.75x = 151,013.67 × 26,803.75
  4. Step 4: Simplify right side
    100,675.75x = 4,047,732,657.26
  5. Step 5: Solve for x
    x = 4,047,732,657.26/100,675.75
  6. Step 6: Final answer
    x = 40,205.64

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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.