Home / 155,319.20-214,412.72-117,094.29

Finding the Fourth Proportional to 155,319.20, 214,412.72 and 117,094.29

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Solution

The fourth proportional to 155,319.20, 214,412.72 and 117,094.29 is: 161,644.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,319.20 : 214,412.72 = 117,094.29 : x
  2. Step 2: Convert to fraction form
    155,319.20/214,412.72 = 117,094.29/x
  3. Step 3: Cross multiply
    155,319.20x = 214,412.72 × 117,094.29
  4. Step 4: Simplify right side
    155,319.20x = 25,106,504,629.90
  5. Step 5: Solve for x
    x = 25,106,504,629.90/155,319.20
  6. Step 6: Final answer
    x = 161,644.56

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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.