Home / 121,564.26-182,400.93-77,179.14

Finding the Fourth Proportional to 121,564.26, 182,400.93 and 77,179.14

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Solution

The fourth proportional to 121,564.26, 182,400.93 and 77,179.14 is: 115,803.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,564.26 : 182,400.93 = 77,179.14 : x
  2. Step 2: Convert to fraction form
    121,564.26/182,400.93 = 77,179.14/x
  3. Step 3: Cross multiply
    121,564.26x = 182,400.93 × 77,179.14
  4. Step 4: Simplify right side
    121,564.26x = 14,077,546,912.60
  5. Step 5: Solve for x
    x = 14,077,546,912.60/121,564.26
  6. Step 6: Final answer
    x = 115,803.34

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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.