Home / 205,069.44-307,606.08-64,828.80

Finding the Fourth Proportional to 205,069.44, 307,606.08 and 64,828.80

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Solution

The fourth proportional to 205,069.44, 307,606.08 and 64,828.80 is: 97,243.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,069.44 : 307,606.08 = 64,828.80 : x
  2. Step 2: Convert to fraction form
    205,069.44/307,606.08 = 64,828.80/x
  3. Step 3: Cross multiply
    205,069.44x = 307,606.08 × 64,828.80
  4. Step 4: Simplify right side
    205,069.44x = 19,941,733,039.10
  5. Step 5: Solve for x
    x = 19,941,733,039.10/205,069.44
  6. Step 6: Final answer
    x = 97,243.81

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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.