Home / 199,561.83-275,624.44-145,355.51

Finding the Fourth Proportional to 199,561.83, 275,624.44 and 145,355.51

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Solution

The fourth proportional to 199,561.83, 275,624.44 and 145,355.51 is: 200,757.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,561.83 : 275,624.44 = 145,355.51 : x
  2. Step 2: Convert to fraction form
    199,561.83/275,624.44 = 145,355.51/x
  3. Step 3: Cross multiply
    199,561.83x = 275,624.44 × 145,355.51
  4. Step 4: Simplify right side
    199,561.83x = 40,063,531,370.34
  5. Step 5: Solve for x
    x = 40,063,531,370.34/199,561.83
  6. Step 6: Final answer
    x = 200,757.49

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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.