Home / 186,878.56-280,308.04-53,753.59

Finding the Fourth Proportional to 186,878.56, 280,308.04 and 53,753.59

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Solution

The fourth proportional to 186,878.56, 280,308.04 and 53,753.59 is: 80,627.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,878.56 : 280,308.04 = 53,753.59 : x
  2. Step 2: Convert to fraction form
    186,878.56/280,308.04 = 53,753.59/x
  3. Step 3: Cross multiply
    186,878.56x = 280,308.04 × 53,753.59
  4. Step 4: Simplify right side
    186,878.56x = 15,067,563,974.23
  5. Step 5: Solve for x
    x = 15,067,563,974.23/186,878.56
  6. Step 6: Final answer
    x = 80,627.57

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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.