Home / 386,973.47-534,005.42-214,902.36

Finding the Fourth Proportional to 386,973.47, 534,005.42 and 214,902.36

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Solution

The fourth proportional to 386,973.47, 534,005.42 and 214,902.36 is: 296,555.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    386,973.47 : 534,005.42 = 214,902.36 : x
  2. Step 2: Convert to fraction form
    386,973.47/534,005.42 = 214,902.36/x
  3. Step 3: Cross multiply
    386,973.47x = 534,005.42 × 214,902.36
  4. Step 4: Simplify right side
    386,973.47x = 114,759,023,936.28
  5. Step 5: Solve for x
    x = 114,759,023,936.28/386,973.47
  6. Step 6: Final answer
    x = 296,555.27

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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.