Home / 190,934.25-286,329.38-153,402.09

Finding the Fourth Proportional to 190,934.25, 286,329.38 and 153,402.09

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Solution

The fourth proportional to 190,934.25, 286,329.38 and 153,402.09 is: 230,045.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,934.25 : 286,329.38 = 153,402.09 : x
  2. Step 2: Convert to fraction form
    190,934.25/286,329.38 = 153,402.09/x
  3. Step 3: Cross multiply
    190,934.25x = 286,329.38 × 153,402.09
  4. Step 4: Simplify right side
    190,934.25x = 43,923,524,553.39
  5. Step 5: Solve for x
    x = 43,923,524,553.39/190,934.25
  6. Step 6: Final answer
    x = 230,045.29

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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.