Home / 541,378.08-811,556.42-186,143.67

Finding the Fourth Proportional to 541,378.08, 811,556.42 and 186,143.67

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Solution

The fourth proportional to 541,378.08, 811,556.42 and 186,143.67 is: 279,039.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    541,378.08 : 811,556.42 = 186,143.67 : x
  2. Step 2: Convert to fraction form
    541,378.08/811,556.42 = 186,143.67/x
  3. Step 3: Cross multiply
    541,378.08x = 811,556.42 × 186,143.67
  4. Step 4: Simplify right side
    541,378.08x = 151,066,089,500.14
  5. Step 5: Solve for x
    x = 151,066,089,500.14/541,378.08
  6. Step 6: Final answer
    x = 279,039.91

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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.