Home / 186,968.93-258,140.52-115,454.03

Finding the Fourth Proportional to 186,968.93, 258,140.52 and 115,454.03

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Solution

The fourth proportional to 186,968.93, 258,140.52 and 115,454.03 is: 159,402.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,968.93 : 258,140.52 = 115,454.03 : x
  2. Step 2: Convert to fraction form
    186,968.93/258,140.52 = 115,454.03/x
  3. Step 3: Cross multiply
    186,968.93x = 258,140.52 × 115,454.03
  4. Step 4: Simplify right side
    186,968.93x = 29,803,362,049.59
  5. Step 5: Solve for x
    x = 29,803,362,049.59/186,968.93
  6. Step 6: Final answer
    x = 159,402.76

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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.