Home / 386,290.22-533,070.67-214,205.44

Finding the Fourth Proportional to 386,290.22, 533,070.67 and 214,205.44

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Solution

The fourth proportional to 386,290.22, 533,070.67 and 214,205.44 is: 295,598.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    386,290.22 : 533,070.67 = 214,205.44 : x
  2. Step 2: Convert to fraction form
    386,290.22/533,070.67 = 214,205.44/x
  3. Step 3: Cross multiply
    386,290.22x = 533,070.67 × 214,205.44
  4. Step 4: Simplify right side
    386,290.22x = 114,186,635,550.26
  5. Step 5: Solve for x
    x = 114,186,635,550.26/386,290.22
  6. Step 6: Final answer
    x = 295,598.05

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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.