Home / 317,146.23-437,238.42-251,951.39

Finding the Fourth Proportional to 317,146.23, 437,238.42 and 251,951.39

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Solution

The fourth proportional to 317,146.23, 437,238.42 and 251,951.39 is: 347,356.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,146.23 : 437,238.42 = 251,951.39 : x
  2. Step 2: Convert to fraction form
    317,146.23/437,238.42 = 251,951.39/x
  3. Step 3: Cross multiply
    317,146.23x = 437,238.42 × 251,951.39
  4. Step 4: Simplify right side
    317,146.23x = 110,162,826,189.04
  5. Step 5: Solve for x
    x = 110,162,826,189.04/317,146.23
  6. Step 6: Final answer
    x = 347,356.57

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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.