Home / 186,567.42-278,418.51-166,636.56

Finding the Fourth Proportional to 186,567.42, 278,418.51 and 166,636.56

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Solution

The fourth proportional to 186,567.42, 278,418.51 and 166,636.56 is: 248,675.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,567.42 : 278,418.51 = 166,636.56 : x
  2. Step 2: Convert to fraction form
    186,567.42/278,418.51 = 166,636.56/x
  3. Step 3: Cross multiply
    186,567.42x = 278,418.51 × 166,636.56
  4. Step 4: Simplify right side
    186,567.42x = 46,394,702,746.73
  5. Step 5: Solve for x
    x = 46,394,702,746.73/186,567.42
  6. Step 6: Final answer
    x = 248,675.27

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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.