Home / 465,146.23-696,785.14-212,078.60

Finding the Fourth Proportional to 465,146.23, 696,785.14 and 212,078.60

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Solution

The fourth proportional to 465,146.23, 696,785.14 and 212,078.60 is: 317,691.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    465,146.23 : 696,785.14 = 212,078.60 : x
  2. Step 2: Convert to fraction form
    465,146.23/696,785.14 = 212,078.60/x
  3. Step 3: Cross multiply
    465,146.23x = 696,785.14 × 212,078.60
  4. Step 4: Simplify right side
    465,146.23x = 147,773,216,992.00
  5. Step 5: Solve for x
    x = 147,773,216,992.00/465,146.23
  6. Step 6: Final answer
    x = 317,691.96

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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.