Home / 116,415.05-174,744.73-103,172.77

Finding the Fourth Proportional to 116,415.05, 174,744.73 and 103,172.77

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Solution

The fourth proportional to 116,415.05, 174,744.73 and 103,172.77 is: 154,867.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,415.05 : 174,744.73 = 103,172.77 : x
  2. Step 2: Convert to fraction form
    116,415.05/174,744.73 = 103,172.77/x
  3. Step 3: Cross multiply
    116,415.05x = 174,744.73 × 103,172.77
  4. Step 4: Simplify right side
    116,415.05x = 18,028,896,963.28
  5. Step 5: Solve for x
    x = 18,028,896,963.28/116,415.05
  6. Step 6: Final answer
    x = 154,867.41

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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.