Home / 306,243.23-459,458.08-156,588.64

Finding the Fourth Proportional to 306,243.23, 459,458.08 and 156,588.64

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Solution

The fourth proportional to 306,243.23, 459,458.08 and 156,588.64 is: 234,930.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,243.23 : 459,458.08 = 156,588.64 : x
  2. Step 2: Convert to fraction form
    306,243.23/459,458.08 = 156,588.64/x
  3. Step 3: Cross multiply
    306,243.23x = 459,458.08 × 156,588.64
  4. Step 4: Simplify right side
    306,243.23x = 71,945,914,344.09
  5. Step 5: Solve for x
    x = 71,945,914,344.09/306,243.23
  6. Step 6: Final answer
    x = 234,930.63

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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.