Home / 388,859.06-536,657.45-214,463.37

Finding the Fourth Proportional to 388,859.06, 536,657.45 and 214,463.37

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Solution

The fourth proportional to 388,859.06, 536,657.45 and 214,463.37 is: 295,977.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    388,859.06 : 536,657.45 = 214,463.37 : x
  2. Step 2: Convert to fraction form
    388,859.06/536,657.45 = 214,463.37/x
  3. Step 3: Cross multiply
    388,859.06x = 536,657.45 × 214,463.37
  4. Step 4: Simplify right side
    388,859.06x = 115,093,364,190.29
  5. Step 5: Solve for x
    x = 115,093,364,190.29/388,859.06
  6. Step 6: Final answer
    x = 295,977.07

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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.