Home / 326,632.10-490,018.14-113,406.75

Finding the Fourth Proportional to 326,632.10, 490,018.14 and 113,406.75

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Solution

The fourth proportional to 326,632.10, 490,018.14 and 113,406.75 is: 170,134.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,632.10 : 490,018.14 = 113,406.75 : x
  2. Step 2: Convert to fraction form
    326,632.10/490,018.14 = 113,406.75/x
  3. Step 3: Cross multiply
    326,632.10x = 490,018.14 × 113,406.75
  4. Step 4: Simplify right side
    326,632.10x = 55,571,364,698.45
  5. Step 5: Solve for x
    x = 55,571,364,698.45/326,632.10
  6. Step 6: Final answer
    x = 170,134.43

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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.