Home / 382,936.20-528,437.70-213,166.68

Finding the Fourth Proportional to 382,936.20, 528,437.70 and 213,166.68

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Solution

The fourth proportional to 382,936.20, 528,437.70 and 213,166.68 is: 294,162.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,936.20 : 528,437.70 = 213,166.68 : x
  2. Step 2: Convert to fraction form
    382,936.20/528,437.70 = 213,166.68/x
  3. Step 3: Cross multiply
    382,936.20x = 528,437.70 × 213,166.68
  4. Step 4: Simplify right side
    382,936.20x = 112,645,310,095.84
  5. Step 5: Solve for x
    x = 112,645,310,095.84/382,936.20
  6. Step 6: Final answer
    x = 294,162.08

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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.