Home / 191,112.26-286,653.74-57,993.21

Finding the Fourth Proportional to 191,112.26, 286,653.74 and 57,993.21

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Solution

The fourth proportional to 191,112.26, 286,653.74 and 57,993.21 is: 86,985.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,112.26 : 286,653.74 = 57,993.21 : x
  2. Step 2: Convert to fraction form
    191,112.26/286,653.74 = 57,993.21/x
  3. Step 3: Cross multiply
    191,112.26x = 286,653.74 × 57,993.21
  4. Step 4: Simplify right side
    191,112.26x = 16,623,970,251.14
  5. Step 5: Solve for x
    x = 16,623,970,251.14/191,112.26
  6. Step 6: Final answer
    x = 86,985.37

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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.