Home / 166,642.95-229,728.05-118,813.26

Finding the Fourth Proportional to 166,642.95, 229,728.05 and 118,813.26

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Solution

The fourth proportional to 166,642.95, 229,728.05 and 118,813.26 is: 163,791.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,642.95 : 229,728.05 = 118,813.26 : x
  2. Step 2: Convert to fraction form
    166,642.95/229,728.05 = 118,813.26/x
  3. Step 3: Cross multiply
    166,642.95x = 229,728.05 × 118,813.26
  4. Step 4: Simplify right side
    166,642.95x = 27,294,738,533.94
  5. Step 5: Solve for x
    x = 27,294,738,533.94/166,642.95
  6. Step 6: Final answer
    x = 163,791.74

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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.