Home / 199,555.86-275,421.33-190,587.54

Finding the Fourth Proportional to 199,555.86, 275,421.33 and 190,587.54

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Solution

The fourth proportional to 199,555.86, 275,421.33 and 190,587.54 is: 263,043.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,555.86 : 275,421.33 = 190,587.54 : x
  2. Step 2: Convert to fraction form
    199,555.86/275,421.33 = 190,587.54/x
  3. Step 3: Cross multiply
    199,555.86x = 275,421.33 × 190,587.54
  4. Step 4: Simplify right side
    199,555.86x = 52,491,873,748.23
  5. Step 5: Solve for x
    x = 52,491,873,748.23/199,555.86
  6. Step 6: Final answer
    x = 263,043.51

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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.