Home / 490,741.25-736,111.82-135,746.03

Finding the Fourth Proportional to 490,741.25, 736,111.82 and 135,746.03

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Solution

The fourth proportional to 490,741.25, 736,111.82 and 135,746.03 is: 203,619.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    490,741.25 : 736,111.82 = 135,746.03 : x
  2. Step 2: Convert to fraction form
    490,741.25/736,111.82 = 135,746.03/x
  3. Step 3: Cross multiply
    490,741.25x = 736,111.82 × 135,746.03
  4. Step 4: Simplify right side
    490,741.25x = 99,924,252,841.79
  5. Step 5: Solve for x
    x = 99,924,252,841.79/490,741.25
  6. Step 6: Final answer
    x = 203,619.02

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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.