Home / 186,620.72-279,443.07-102,205.25

Finding the Fourth Proportional to 186,620.72, 279,443.07 and 102,205.25

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Solution

The fourth proportional to 186,620.72, 279,443.07 and 102,205.25 is: 153,040.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,620.72 : 279,443.07 = 102,205.25 : x
  2. Step 2: Convert to fraction form
    186,620.72/279,443.07 = 102,205.25/x
  3. Step 3: Cross multiply
    186,620.72x = 279,443.07 × 102,205.25
  4. Step 4: Simplify right side
    186,620.72x = 28,560,547,432.90
  5. Step 5: Solve for x
    x = 28,560,547,432.90/186,620.72
  6. Step 6: Final answer
    x = 153,040.61

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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.