Home / 198,275.91-272,568.63-170,579.39

Finding the Fourth Proportional to 198,275.91, 272,568.63 and 170,579.39

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Solution

The fourth proportional to 198,275.91, 272,568.63 and 170,579.39 is: 234,494.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,275.91 : 272,568.63 = 170,579.39 : x
  2. Step 2: Convert to fraction form
    198,275.91/272,568.63 = 170,579.39/x
  3. Step 3: Cross multiply
    198,275.91x = 272,568.63 × 170,579.39
  4. Step 4: Simplify right side
    198,275.91x = 46,494,590,297.82
  5. Step 5: Solve for x
    x = 46,494,590,297.82/198,275.91
  6. Step 6: Final answer
    x = 234,494.40

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.