Home / 190,536.30-285,721.43-64,142.64

Finding the Fourth Proportional to 190,536.30, 285,721.43 and 64,142.64

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Solution

The fourth proportional to 190,536.30, 285,721.43 and 64,142.64 is: 96,186.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,536.30 : 285,721.43 = 64,142.64 : x
  2. Step 2: Convert to fraction form
    190,536.30/285,721.43 = 64,142.64/x
  3. Step 3: Cross multiply
    190,536.30x = 285,721.43 × 64,142.64
  4. Step 4: Simplify right side
    190,536.30x = 18,326,926,504.06
  5. Step 5: Solve for x
    x = 18,326,926,504.06/190,536.30
  6. Step 6: Final answer
    x = 96,186.01

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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.