Home / 186,539.54-257,417.07-101,654.78

Finding the Fourth Proportional to 186,539.54, 257,417.07 and 101,654.78

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Solution

The fourth proportional to 186,539.54, 257,417.07 and 101,654.78 is: 140,279.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,539.54 : 257,417.07 = 101,654.78 : x
  2. Step 2: Convert to fraction form
    186,539.54/257,417.07 = 101,654.78/x
  3. Step 3: Cross multiply
    186,539.54x = 257,417.07 × 101,654.78
  4. Step 4: Simplify right side
    186,539.54x = 26,167,675,619.09
  5. Step 5: Solve for x
    x = 26,167,675,619.09/186,539.54
  6. Step 6: Final answer
    x = 140,279.51

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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.