Home / 226,697.22-312,842.19-124,720.50

Finding the Fourth Proportional to 226,697.22, 312,842.19 and 124,720.50

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Solution

The fourth proportional to 226,697.22, 312,842.19 and 124,720.50 is: 172,114.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,697.22 : 312,842.19 = 124,720.50 : x
  2. Step 2: Convert to fraction form
    226,697.22/312,842.19 = 124,720.50/x
  3. Step 3: Cross multiply
    226,697.22x = 312,842.19 × 124,720.50
  4. Step 4: Simplify right side
    226,697.22x = 39,017,834,357.90
  5. Step 5: Solve for x
    x = 39,017,834,357.90/226,697.22
  6. Step 6: Final answer
    x = 172,114.30

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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.