Home / 293,931.90-405,667.17-212,524.47

Finding the Fourth Proportional to 293,931.90, 405,667.17 and 212,524.47

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Solution

The fourth proportional to 293,931.90, 405,667.17 and 212,524.47 is: 293,313.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,931.90 : 405,667.17 = 212,524.47 : x
  2. Step 2: Convert to fraction form
    293,931.90/405,667.17 = 212,524.47/x
  3. Step 3: Cross multiply
    293,931.90x = 405,667.17 × 212,524.47
  4. Step 4: Simplify right side
    293,931.90x = 86,214,200,300.65
  5. Step 5: Solve for x
    x = 86,214,200,300.65/293,931.90
  6. Step 6: Final answer
    x = 293,313.52

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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.