Home / 186,568.92-278,420.75-166,638.06

Finding the Fourth Proportional to 186,568.92, 278,420.75 and 166,638.06

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Solution

The fourth proportional to 186,568.92, 278,420.75 and 166,638.06 is: 248,677.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,568.92 : 278,420.75 = 166,638.06 : x
  2. Step 2: Convert to fraction form
    186,568.92/278,420.75 = 166,638.06/x
  3. Step 3: Cross multiply
    186,568.92x = 278,420.75 × 166,638.06
  4. Step 4: Simplify right side
    186,568.92x = 46,395,493,643.75
  5. Step 5: Solve for x
    x = 46,395,493,643.75/186,568.92
  6. Step 6: Final answer
    x = 248,677.51

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.