Home / 311,916.56-430,437.66-184,594.28

Finding the Fourth Proportional to 311,916.56, 430,437.66 and 184,594.28

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Solution

The fourth proportional to 311,916.56, 430,437.66 and 184,594.28 is: 254,735.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    311,916.56 : 430,437.66 = 184,594.28 : x
  2. Step 2: Convert to fraction form
    311,916.56/430,437.66 = 184,594.28/x
  3. Step 3: Cross multiply
    311,916.56x = 430,437.66 × 184,594.28
  4. Step 4: Simplify right side
    311,916.56x = 79,456,329,932.58
  5. Step 5: Solve for x
    x = 79,456,329,932.58/311,916.56
  6. Step 6: Final answer
    x = 254,735.85

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.