Home / 261,939.01-361,519.32-154,535.44

Finding the Fourth Proportional to 261,939.01, 361,519.32 and 154,535.44

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Solution

The fourth proportional to 261,939.01, 361,519.32 and 154,535.44 is: 213,284.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,939.01 : 361,519.32 = 154,535.44 : x
  2. Step 2: Convert to fraction form
    261,939.01/361,519.32 = 154,535.44/x
  3. Step 3: Cross multiply
    261,939.01x = 361,519.32 × 154,535.44
  4. Step 4: Simplify right side
    261,939.01x = 55,867,547,184.70
  5. Step 5: Solve for x
    x = 55,867,547,184.70/261,939.01
  6. Step 6: Final answer
    x = 213,284.56

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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.