Home / 183,971.96-275,727.09-78,667.10

Finding the Fourth Proportional to 183,971.96, 275,727.09 and 78,667.10

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Solution

The fourth proportional to 183,971.96, 275,727.09 and 78,667.10 is: 117,901.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,971.96 : 275,727.09 = 78,667.10 : x
  2. Step 2: Convert to fraction form
    183,971.96/275,727.09 = 78,667.10/x
  3. Step 3: Cross multiply
    183,971.96x = 275,727.09 × 78,667.10
  4. Step 4: Simplify right side
    183,971.96x = 21,690,649,479.09
  5. Step 5: Solve for x
    x = 21,690,649,479.09/183,971.96
  6. Step 6: Final answer
    x = 117,901.93

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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.