Home / 313,487.18-432,744.66-211,650.51

Finding the Fourth Proportional to 313,487.18, 432,744.66 and 211,650.51

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Solution

The fourth proportional to 313,487.18, 432,744.66 and 211,650.51 is: 292,167.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,487.18 : 432,744.66 = 211,650.51 : x
  2. Step 2: Convert to fraction form
    313,487.18/432,744.66 = 211,650.51/x
  3. Step 3: Cross multiply
    313,487.18x = 432,744.66 × 211,650.51
  4. Step 4: Simplify right side
    313,487.18x = 91,590,627,988.78
  5. Step 5: Solve for x
    x = 91,590,627,988.78/313,487.18
  6. Step 6: Final answer
    x = 292,167.07

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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.