Home / 211,048.38-316,576.62-77,860.08

Finding the Fourth Proportional to 211,048.38, 316,576.62 and 77,860.08

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Solution

The fourth proportional to 211,048.38, 316,576.62 and 77,860.08 is: 116,791.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,048.38 : 316,576.62 = 77,860.08 : x
  2. Step 2: Convert to fraction form
    211,048.38/316,576.62 = 77,860.08/x
  3. Step 3: Cross multiply
    211,048.38x = 316,576.62 × 77,860.08
  4. Step 4: Simplify right side
    211,048.38x = 24,648,680,959.33
  5. Step 5: Solve for x
    x = 24,648,680,959.33/211,048.38
  6. Step 6: Final answer
    x = 116,791.61

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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.