Home / 186,014.22-278,933.76-129,917.68

Finding the Fourth Proportional to 186,014.22, 278,933.76 and 129,917.68

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Solution

The fourth proportional to 186,014.22, 278,933.76 and 129,917.68 is: 194,815.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,014.22 : 278,933.76 = 129,917.68 : x
  2. Step 2: Convert to fraction form
    186,014.22/278,933.76 = 129,917.68/x
  3. Step 3: Cross multiply
    186,014.22x = 278,933.76 × 129,917.68
  4. Step 4: Simplify right side
    186,014.22x = 36,238,426,972.88
  5. Step 5: Solve for x
    x = 36,238,426,972.88/186,014.22
  6. Step 6: Final answer
    x = 194,815.36

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1.5x scale

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.