Home / 186,144.08-256,863.15-105,584.72

Finding the Fourth Proportional to 186,144.08, 256,863.15 and 105,584.72

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Solution

The fourth proportional to 186,144.08, 256,863.15 and 105,584.72 is: 145,698.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,144.08 : 256,863.15 = 105,584.72 : x
  2. Step 2: Convert to fraction form
    186,144.08/256,863.15 = 105,584.72/x
  3. Step 3: Cross multiply
    186,144.08x = 256,863.15 × 105,584.72
  4. Step 4: Simplify right side
    186,144.08x = 27,120,822,486.75
  5. Step 5: Solve for x
    x = 27,120,822,486.75/186,144.08
  6. Step 6: Final answer
    x = 145,698.02

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.