Home / 205,178.25-307,136.75-174,911.01

Finding the Fourth Proportional to 205,178.25, 307,136.75 and 174,911.01

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Solution

The fourth proportional to 205,178.25, 307,136.75 and 174,911.01 is: 261,828.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,178.25 : 307,136.75 = 174,911.01 : x
  2. Step 2: Convert to fraction form
    205,178.25/307,136.75 = 174,911.01/x
  3. Step 3: Cross multiply
    205,178.25x = 307,136.75 × 174,911.01
  4. Step 4: Simplify right side
    205,178.25x = 53,721,598,276.06
  5. Step 5: Solve for x
    x = 53,721,598,276.06/205,178.25
  6. Step 6: Final answer
    x = 261,828.91

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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.