Home / 212,922.40-319,383.60-174,868.60

Finding the Fourth Proportional to 212,922.40, 319,383.60 and 174,868.60

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Solution

The fourth proportional to 212,922.40, 319,383.60 and 174,868.60 is: 262,302.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,922.40 : 319,383.60 = 174,868.60 : x
  2. Step 2: Convert to fraction form
    212,922.40/319,383.60 = 174,868.60/x
  3. Step 3: Cross multiply
    212,922.40x = 319,383.60 × 174,868.60
  4. Step 4: Simplify right side
    212,922.40x = 55,850,162,994.96
  5. Step 5: Solve for x
    x = 55,850,162,994.96/212,922.40
  6. Step 6: Final answer
    x = 262,302.90

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.