Home / 382,125.20-526,421.34-267,188.76

Finding the Fourth Proportional to 382,125.20, 526,421.34 and 267,188.76

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Solution

The fourth proportional to 382,125.20, 526,421.34 and 267,188.76 is: 368,083.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,125.20 : 526,421.34 = 267,188.76 : x
  2. Step 2: Convert to fraction form
    382,125.20/526,421.34 = 267,188.76/x
  3. Step 3: Cross multiply
    382,125.20x = 526,421.34 × 267,188.76
  4. Step 4: Simplify right side
    382,125.20x = 140,653,865,072.14
  5. Step 5: Solve for x
    x = 140,653,865,072.14/382,125.20
  6. Step 6: Final answer
    x = 368,083.20

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.