Home / 371,162.43-556,738.79-90,682.11

Finding the Fourth Proportional to 371,162.43, 556,738.79 and 90,682.11

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Solution

The fourth proportional to 371,162.43, 556,738.79 and 90,682.11 is: 136,021.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,162.43 : 556,738.79 = 90,682.11 : x
  2. Step 2: Convert to fraction form
    371,162.43/556,738.79 = 90,682.11/x
  3. Step 3: Cross multiply
    371,162.43x = 556,738.79 × 90,682.11
  4. Step 4: Simplify right side
    371,162.43x = 50,486,247,742.64
  5. Step 5: Solve for x
    x = 50,486,247,742.64/371,162.43
  6. Step 6: Final answer
    x = 136,021.98

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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.