Home / 338,262.09-507,451.32-113,643.96

Finding the Fourth Proportional to 338,262.09, 507,451.32 and 113,643.96

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Solution

The fourth proportional to 338,262.09, 507,451.32 and 113,643.96 is: 170,485.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,262.09 : 507,451.32 = 113,643.96 : x
  2. Step 2: Convert to fraction form
    338,262.09/507,451.32 = 113,643.96/x
  3. Step 3: Cross multiply
    338,262.09x = 507,451.32 × 113,643.96
  4. Step 4: Simplify right side
    338,262.09x = 57,668,777,512.03
  5. Step 5: Solve for x
    x = 57,668,777,512.03/338,262.09
  6. Step 6: Final answer
    x = 170,485.49

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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.