Home / 213,911.06-295,200.74-117,113.28

Finding the Fourth Proportional to 213,911.06, 295,200.74 and 117,113.28

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Solution

The fourth proportional to 213,911.06, 295,200.74 and 117,113.28 is: 161,618.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,911.06 : 295,200.74 = 117,113.28 : x
  2. Step 2: Convert to fraction form
    213,911.06/295,200.74 = 117,113.28/x
  3. Step 3: Cross multiply
    213,911.06x = 295,200.74 × 117,113.28
  4. Step 4: Simplify right side
    213,911.06x = 34,571,926,334.26
  5. Step 5: Solve for x
    x = 34,571,926,334.26/213,911.06
  6. Step 6: Final answer
    x = 161,618.23

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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.