Home / 186,069.90-279,104.85-178,812.30

Finding the Fourth Proportional to 186,069.90, 279,104.85 and 178,812.30

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Solution

The fourth proportional to 186,069.90, 279,104.85 and 178,812.30 is: 268,218.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,069.90 : 279,104.85 = 178,812.30 : x
  2. Step 2: Convert to fraction form
    186,069.90/279,104.85 = 178,812.30/x
  3. Step 3: Cross multiply
    186,069.90x = 279,104.85 × 178,812.30
  4. Step 4: Simplify right side
    186,069.90x = 49,907,380,169.66
  5. Step 5: Solve for x
    x = 49,907,380,169.66/186,069.90
  6. Step 6: Final answer
    x = 268,218.45

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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.