Home / 250,824.50-346,137.81-137,647.25

Finding the Fourth Proportional to 250,824.50, 346,137.81 and 137,647.25

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Solution

The fourth proportional to 250,824.50, 346,137.81 and 137,647.25 is: 189,953.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,824.50 : 346,137.81 = 137,647.25 : x
  2. Step 2: Convert to fraction form
    250,824.50/346,137.81 = 137,647.25/x
  3. Step 3: Cross multiply
    250,824.50x = 346,137.81 × 137,647.25
  4. Step 4: Simplify right side
    250,824.50x = 47,644,917,667.52
  5. Step 5: Solve for x
    x = 47,644,917,667.52/250,824.50
  6. Step 6: Final answer
    x = 189,953.21

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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.