Home / 107,190.94-160,771.53-75,072.72

Finding the Fourth Proportional to 107,190.94, 160,771.53 and 75,072.72

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Solution

The fourth proportional to 107,190.94, 160,771.53 and 75,072.72 is: 112,598.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,190.94 : 160,771.53 = 75,072.72 : x
  2. Step 2: Convert to fraction form
    107,190.94/160,771.53 = 75,072.72/x
  3. Step 3: Cross multiply
    107,190.94x = 160,771.53 × 75,072.72
  4. Step 4: Simplify right side
    107,190.94x = 12,069,556,055.66
  5. Step 5: Solve for x
    x = 12,069,556,055.66/107,190.94
  6. Step 6: Final answer
    x = 112,598.66

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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.