Home / 247,344.08-371,066.20-105,189.04

Finding the Fourth Proportional to 247,344.08, 371,066.20 and 105,189.04

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Solution

The fourth proportional to 247,344.08, 371,066.20 and 105,189.04 is: 157,804.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,344.08 : 371,066.20 = 105,189.04 : x
  2. Step 2: Convert to fraction form
    247,344.08/371,066.20 = 105,189.04/x
  3. Step 3: Cross multiply
    247,344.08x = 371,066.20 × 105,189.04
  4. Step 4: Simplify right side
    247,344.08x = 39,032,097,354.45
  5. Step 5: Solve for x
    x = 39,032,097,354.45/247,344.08
  6. Step 6: Final answer
    x = 157,804.86

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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.