Home / 209,295.32-313,522.14-96,817.64

Finding the Fourth Proportional to 209,295.32, 313,522.14 and 96,817.64

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Solution

The fourth proportional to 209,295.32, 313,522.14 and 96,817.64 is: 145,031.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,295.32 : 313,522.14 = 96,817.64 : x
  2. Step 2: Convert to fraction form
    209,295.32/313,522.14 = 96,817.64/x
  3. Step 3: Cross multiply
    209,295.32x = 313,522.14 × 96,817.64
  4. Step 4: Simplify right side
    209,295.32x = 30,354,473,682.55
  5. Step 5: Solve for x
    x = 30,354,473,682.55/209,295.32
  6. Step 6: Final answer
    x = 145,031.78

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1.5x scale

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.