Home / 294,207.98-405,973.52-165,128.96

Finding the Fourth Proportional to 294,207.98, 405,973.52 and 165,128.96

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Solution

The fourth proportional to 294,207.98, 405,973.52 and 165,128.96 is: 227,859.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,207.98 : 405,973.52 = 165,128.96 : x
  2. Step 2: Convert to fraction form
    294,207.98/405,973.52 = 165,128.96/x
  3. Step 3: Cross multiply
    294,207.98x = 405,973.52 × 165,128.96
  4. Step 4: Simplify right side
    294,207.98x = 67,037,982,289.63
  5. Step 5: Solve for x
    x = 67,037,982,289.63/294,207.98
  6. Step 6: Final answer
    x = 227,859.16

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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.