Home / 345,195.30-476,380.36-190,157.84

Finding the Fourth Proportional to 345,195.30, 476,380.36 and 190,157.84

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Solution

The fourth proportional to 345,195.30, 476,380.36 and 190,157.84 is: 262,423.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,195.30 : 476,380.36 = 190,157.84 : x
  2. Step 2: Convert to fraction form
    345,195.30/476,380.36 = 190,157.84/x
  3. Step 3: Cross multiply
    345,195.30x = 476,380.36 × 190,157.84
  4. Step 4: Simplify right side
    345,195.30x = 90,587,458,043.61
  5. Step 5: Solve for x
    x = 90,587,458,043.61/345,195.30
  6. Step 6: Final answer
    x = 262,423.79

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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.