Home / 293,112.69-439,667.82-82,750.02

Finding the Fourth Proportional to 293,112.69, 439,667.82 and 82,750.02

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Solution

The fourth proportional to 293,112.69, 439,667.82 and 82,750.02 is: 124,124.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,112.69 : 439,667.82 = 82,750.02 : x
  2. Step 2: Convert to fraction form
    293,112.69/439,667.82 = 82,750.02/x
  3. Step 3: Cross multiply
    293,112.69x = 439,667.82 × 82,750.02
  4. Step 4: Simplify right side
    293,112.69x = 36,382,520,898.36
  5. Step 5: Solve for x
    x = 36,382,520,898.36/293,112.69
  6. Step 6: Final answer
    x = 124,124.69

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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.