Home / 166,406.40-249,623.37-54,042.19

Finding the Fourth Proportional to 166,406.40, 249,623.37 and 54,042.19

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Solution

The fourth proportional to 166,406.40, 249,623.37 and 54,042.19 is: 81,067.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,406.40 : 249,623.37 = 54,042.19 : x
  2. Step 2: Convert to fraction form
    166,406.40/249,623.37 = 54,042.19/x
  3. Step 3: Cross multiply
    166,406.40x = 249,623.37 × 54,042.19
  4. Step 4: Simplify right side
    166,406.40x = 13,490,192,965.92
  5. Step 5: Solve for x
    x = 13,490,192,965.92/166,406.40
  6. Step 6: Final answer
    x = 81,067.75

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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.