Home / 465,146.29-696,785.23-212,078.67

Finding the Fourth Proportional to 465,146.29, 696,785.23 and 212,078.67

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Solution

The fourth proportional to 465,146.29, 696,785.23 and 212,078.67 is: 317,692.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    465,146.29 : 696,785.23 = 212,078.67 : x
  2. Step 2: Convert to fraction form
    465,146.29/696,785.23 = 212,078.67/x
  3. Step 3: Cross multiply
    465,146.29x = 696,785.23 × 212,078.67
  4. Step 4: Simplify right side
    465,146.29x = 147,773,282,506.20
  5. Step 5: Solve for x
    x = 147,773,282,506.20/465,146.29
  6. Step 6: Final answer
    x = 317,692.06

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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.