Home / 166,633.61-249,976.32-54,287.66

Finding the Fourth Proportional to 166,633.61, 249,976.32 and 54,287.66

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Solution

The fourth proportional to 166,633.61, 249,976.32 and 54,287.66 is: 81,439.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,633.61 : 249,976.32 = 54,287.66 : x
  2. Step 2: Convert to fraction form
    166,633.61/249,976.32 = 54,287.66/x
  3. Step 3: Cross multiply
    166,633.61x = 249,976.32 × 54,287.66
  4. Step 4: Simplify right side
    166,633.61x = 13,570,630,093.15
  5. Step 5: Solve for x
    x = 13,570,630,093.15/166,633.61
  6. Step 6: Final answer
    x = 81,439.94

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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.