Home / 186,878.12-280,357.58-60,531.08

Finding the Fourth Proportional to 186,878.12, 280,357.58 and 60,531.08

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Solution

The fourth proportional to 186,878.12, 280,357.58 and 60,531.08 is: 90,809.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,878.12 : 280,357.58 = 60,531.08 : x
  2. Step 2: Convert to fraction form
    186,878.12/280,357.58 = 60,531.08/x
  3. Step 3: Cross multiply
    186,878.12x = 280,357.58 × 60,531.08
  4. Step 4: Simplify right side
    186,878.12x = 16,970,347,103.59
  5. Step 5: Solve for x
    x = 16,970,347,103.59/186,878.12
  6. Step 6: Final answer
    x = 90,809.71

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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.