Home / 134,991.77-186,290.43-74,562.26

Finding the Fourth Proportional to 134,991.77, 186,290.43 and 74,562.26

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Solution

The fourth proportional to 134,991.77, 186,290.43 and 74,562.26 is: 102,896.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,991.77 : 186,290.43 = 74,562.26 : x
  2. Step 2: Convert to fraction form
    134,991.77/186,290.43 = 74,562.26/x
  3. Step 3: Cross multiply
    134,991.77x = 186,290.43 × 74,562.26
  4. Step 4: Simplify right side
    134,991.77x = 13,890,235,477.17
  5. Step 5: Solve for x
    x = 13,890,235,477.17/134,991.77
  6. Step 6: Final answer
    x = 102,896.91

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.