Home / 134,982.54-186,277.31-74,554.71

Finding the Fourth Proportional to 134,982.54, 186,277.31 and 74,554.71

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Solution

The fourth proportional to 134,982.54, 186,277.31 and 74,554.71 is: 102,886.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,982.54 : 186,277.31 = 74,554.71 : x
  2. Step 2: Convert to fraction form
    134,982.54/186,277.31 = 74,554.71/x
  3. Step 3: Cross multiply
    134,982.54x = 186,277.31 × 74,554.71
  4. Step 4: Simplify right side
    134,982.54x = 13,887,850,453.86
  5. Step 5: Solve for x
    x = 13,887,850,453.86/134,982.54
  6. Step 6: Final answer
    x = 102,886.27

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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.