Home / 145,486.44-218,030.56-109,918.52

Finding the Fourth Proportional to 145,486.44, 218,030.56 and 109,918.52

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Solution

The fourth proportional to 145,486.44, 218,030.56 and 109,918.52 is: 164,727.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,486.44 : 218,030.56 = 109,918.52 : x
  2. Step 2: Convert to fraction form
    145,486.44/218,030.56 = 109,918.52/x
  3. Step 3: Cross multiply
    145,486.44x = 218,030.56 × 109,918.52
  4. Step 4: Simplify right side
    145,486.44x = 23,965,596,469.97
  5. Step 5: Solve for x
    x = 23,965,596,469.97/145,486.44
  6. Step 6: Final answer
    x = 164,727.36

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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.