Home / 245,588.22-368,404.20-105,314.04

Finding the Fourth Proportional to 245,588.22, 368,404.20 and 105,314.04

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Solution

The fourth proportional to 245,588.22, 368,404.20 and 105,314.04 is: 157,980.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,588.22 : 368,404.20 = 105,314.04 : x
  2. Step 2: Convert to fraction form
    245,588.22/368,404.20 = 105,314.04/x
  3. Step 3: Cross multiply
    245,588.22x = 368,404.20 × 105,314.04
  4. Step 4: Simplify right side
    245,588.22x = 38,798,134,654.97
  5. Step 5: Solve for x
    x = 38,798,134,654.97/245,588.22
  6. Step 6: Final answer
    x = 157,980.44

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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.