Home / 430,696.13-646,049.66-150,213.38

Finding the Fourth Proportional to 430,696.13, 646,049.66 and 150,213.38

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Solution

The fourth proportional to 430,696.13, 646,049.66 and 150,213.38 is: 225,321.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    430,696.13 : 646,049.66 = 150,213.38 : x
  2. Step 2: Convert to fraction form
    430,696.13/646,049.66 = 150,213.38/x
  3. Step 3: Cross multiply
    430,696.13x = 646,049.66 × 150,213.38
  4. Step 4: Simplify right side
    430,696.13x = 97,045,299,095.14
  5. Step 5: Solve for x
    x = 97,045,299,095.14/430,696.13
  6. Step 6: Final answer
    x = 225,321.97

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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.