Home / 306,400.55-459,453.20-106,716.51

Finding the Fourth Proportional to 306,400.55, 459,453.20 and 106,716.51

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Solution

The fourth proportional to 306,400.55, 459,453.20 and 106,716.51 is: 160,023.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,400.55 : 459,453.20 = 106,716.51 : x
  2. Step 2: Convert to fraction form
    306,400.55/459,453.20 = 106,716.51/x
  3. Step 3: Cross multiply
    306,400.55x = 459,453.20 × 106,716.51
  4. Step 4: Simplify right side
    306,400.55x = 49,031,242,627.38
  5. Step 5: Solve for x
    x = 49,031,242,627.38/306,400.55
  6. Step 6: Final answer
    x = 160,023.35

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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.