Home / 117,804.35-162,668.10-109,256.69

Finding the Fourth Proportional to 117,804.35, 162,668.10 and 109,256.69

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Solution

The fourth proportional to 117,804.35, 162,668.10 and 109,256.69 is: 150,865.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,804.35 : 162,668.10 = 109,256.69 : x
  2. Step 2: Convert to fraction form
    117,804.35/162,668.10 = 109,256.69/x
  3. Step 3: Cross multiply
    117,804.35x = 162,668.10 × 109,256.69
  4. Step 4: Simplify right side
    117,804.35x = 17,772,577,361.25
  5. Step 5: Solve for x
    x = 17,772,577,361.25/117,804.35
  6. Step 6: Final answer
    x = 150,865.21

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.