Home / 186,774.45-278,704.92-166,645.56

Finding the Fourth Proportional to 186,774.45, 278,704.92 and 166,645.56

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Solution

The fourth proportional to 186,774.45, 278,704.92 and 166,645.56 is: 248,668.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,774.45 : 278,704.92 = 166,645.56 : x
  2. Step 2: Convert to fraction form
    186,774.45/278,704.92 = 166,645.56/x
  3. Step 3: Cross multiply
    186,774.45x = 278,704.92 × 166,645.56
  4. Step 4: Simplify right side
    186,774.45x = 46,444,937,468.16
  5. Step 5: Solve for x
    x = 46,444,937,468.16/186,774.45
  6. Step 6: Final answer
    x = 248,668.58

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1.5x scale

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.