Home / 211,048.50-316,650.51-111,204.66

Finding the Fourth Proportional to 211,048.50, 316,650.51 and 111,204.66

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Solution

The fourth proportional to 211,048.50, 316,650.51 and 111,204.66 is: 166,847.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,048.50 : 316,650.51 = 111,204.66 : x
  2. Step 2: Convert to fraction form
    211,048.50/316,650.51 = 111,204.66/x
  3. Step 3: Cross multiply
    211,048.50x = 316,650.51 × 111,204.66
  4. Step 4: Simplify right side
    211,048.50x = 35,213,012,303.38
  5. Step 5: Solve for x
    x = 35,213,012,303.38/211,048.50
  6. Step 6: Final answer
    x = 166,847.96

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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.