Home / 274,455.40-411,627.12-96,968.20

Finding the Fourth Proportional to 274,455.40, 411,627.12 and 96,968.20

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Solution

The fourth proportional to 274,455.40, 411,627.12 and 96,968.20 is: 145,432.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,455.40 : 411,627.12 = 96,968.20 : x
  2. Step 2: Convert to fraction form
    274,455.40/411,627.12 = 96,968.20/x
  3. Step 3: Cross multiply
    274,455.40x = 411,627.12 × 96,968.20
  4. Step 4: Simplify right side
    274,455.40x = 39,914,740,897.58
  5. Step 5: Solve for x
    x = 39,914,740,897.58/274,455.40
  6. Step 6: Final answer
    x = 145,432.52

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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.