Home / 103,482.08-155,224.20-82,836.80

Finding the Fourth Proportional to 103,482.08, 155,224.20 and 82,836.80

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Solution

The fourth proportional to 103,482.08, 155,224.20 and 82,836.80 is: 124,256.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,482.08 : 155,224.20 = 82,836.80 : x
  2. Step 2: Convert to fraction form
    103,482.08/155,224.20 = 82,836.80/x
  3. Step 3: Cross multiply
    103,482.08x = 155,224.20 × 82,836.80
  4. Step 4: Simplify right side
    103,482.08x = 12,858,276,010.56
  5. Step 5: Solve for x
    x = 12,858,276,010.56/103,482.08
  6. Step 6: Final answer
    x = 124,256.06

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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.