Home / 343,784.26-474,371.72-190,823.60

Finding the Fourth Proportional to 343,784.26, 474,371.72 and 190,823.60

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Solution

The fourth proportional to 343,784.26, 474,371.72 and 190,823.60 is: 263,308.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,784.26 : 474,371.72 = 190,823.60 : x
  2. Step 2: Convert to fraction form
    343,784.26/474,371.72 = 190,823.60/x
  3. Step 3: Cross multiply
    343,784.26x = 474,371.72 × 190,823.60
  4. Step 4: Simplify right side
    343,784.26x = 90,521,317,090.96
  5. Step 5: Solve for x
    x = 90,521,317,090.96/343,784.26
  6. Step 6: Final answer
    x = 263,308.50

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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.