Home / 345,288.43-476,571.55-232,045.57

Finding the Fourth Proportional to 345,288.43, 476,571.55 and 232,045.57

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Solution

The fourth proportional to 345,288.43, 476,571.55 and 232,045.57 is: 320,272.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,288.43 : 476,571.55 = 232,045.57 : x
  2. Step 2: Convert to fraction form
    345,288.43/476,571.55 = 232,045.57/x
  3. Step 3: Cross multiply
    345,288.43x = 476,571.55 × 232,045.57
  4. Step 4: Simplify right side
    345,288.43x = 110,586,314,582.68
  5. Step 5: Solve for x
    x = 110,586,314,582.68/345,288.43
  6. Step 6: Final answer
    x = 320,272.29

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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.