Home / 186,074.88-278,986-94,665.63

Finding the Fourth Proportional to 186,074.88, 278,986 and 94,665.63

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Solution

The fourth proportional to 186,074.88, 278,986 and 94,665.63 is: 141,934.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,074.88 : 278,986 = 94,665.63 : x
  2. Step 2: Convert to fraction form
    186,074.88/278,986 = 94,665.63/x
  3. Step 3: Cross multiply
    186,074.88x = 278,986 × 94,665.63
  4. Step 4: Simplify right side
    186,074.88x = 26,410,385,451.18
  5. Step 5: Solve for x
    x = 26,410,385,451.18/186,074.88
  6. Step 6: Final answer
    x = 141,934.18

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.