Home / 166,986.91-230,476.71-153,536.86

Finding the Fourth Proportional to 166,986.91, 230,476.71 and 153,536.86

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Solution

The fourth proportional to 166,986.91, 230,476.71 and 153,536.86 is: 211,912.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,986.91 : 230,476.71 = 153,536.86 : x
  2. Step 2: Convert to fraction form
    166,986.91/230,476.71 = 153,536.86/x
  3. Step 3: Cross multiply
    166,986.91x = 230,476.71 × 153,536.86
  4. Step 4: Simplify right side
    166,986.91x = 35,386,670,356.53
  5. Step 5: Solve for x
    x = 35,386,670,356.53/166,986.91
  6. Step 6: Final answer
    x = 211,912.84

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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.