Home / 186,069.20-279,168.60-80,963.60

Finding the Fourth Proportional to 186,069.20, 279,168.60 and 80,963.60

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Solution

The fourth proportional to 186,069.20, 279,168.60 and 80,963.60 is: 121,473.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,069.20 : 279,168.60 = 80,963.60 : x
  2. Step 2: Convert to fraction form
    186,069.20/279,168.60 = 80,963.60/x
  3. Step 3: Cross multiply
    186,069.20x = 279,168.60 × 80,963.60
  4. Step 4: Simplify right side
    186,069.20x = 22,602,494,862.96
  5. Step 5: Solve for x
    x = 22,602,494,862.96/186,069.20
  6. Step 6: Final answer
    x = 121,473.60

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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.