Home / 185,487.89-255,973.31-104,913.68

Finding the Fourth Proportional to 185,487.89, 255,973.31 and 104,913.68

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Solution

The fourth proportional to 185,487.89, 255,973.31 and 104,913.68 is: 144,780.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,487.89 : 255,973.31 = 104,913.68 : x
  2. Step 2: Convert to fraction form
    185,487.89/255,973.31 = 104,913.68/x
  3. Step 3: Cross multiply
    185,487.89x = 255,973.31 × 104,913.68
  4. Step 4: Simplify right side
    185,487.89x = 26,855,102,049.25
  5. Step 5: Solve for x
    x = 26,855,102,049.25/185,487.89
  6. Step 6: Final answer
    x = 144,780.89

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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.