Home / 190,969.72-286,447.29-64,619.44

Finding the Fourth Proportional to 190,969.72, 286,447.29 and 64,619.44

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Solution

The fourth proportional to 190,969.72, 286,447.29 and 64,619.44 is: 96,926.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,969.72 : 286,447.29 = 64,619.44 : x
  2. Step 2: Convert to fraction form
    190,969.72/286,447.29 = 64,619.44/x
  3. Step 3: Cross multiply
    190,969.72x = 286,447.29 × 64,619.44
  4. Step 4: Simplify right side
    190,969.72x = 18,510,062,510.88
  5. Step 5: Solve for x
    x = 18,510,062,510.88/190,969.72
  6. Step 6: Final answer
    x = 96,926.69

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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.