Home / 269,784.90-405,005.40-136,596.60

Finding the Fourth Proportional to 269,784.90, 405,005.40 and 136,596.60

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Solution

The fourth proportional to 269,784.90, 405,005.40 and 136,596.60 is: 205,061.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,784.90 : 405,005.40 = 136,596.60 : x
  2. Step 2: Convert to fraction form
    269,784.90/405,005.40 = 136,596.60/x
  3. Step 3: Cross multiply
    269,784.90x = 405,005.40 × 136,596.60
  4. Step 4: Simplify right side
    269,784.90x = 55,322,360,621.64
  5. Step 5: Solve for x
    x = 55,322,360,621.64/269,784.90
  6. Step 6: Final answer
    x = 205,061.00

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.