Home / 166,112.95-249,209.07-53,793.31

Finding the Fourth Proportional to 166,112.95, 249,209.07 and 53,793.31

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Solution

The fourth proportional to 166,112.95, 249,209.07 and 53,793.31 is: 80,702.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,112.95 : 249,209.07 = 53,793.31 : x
  2. Step 2: Convert to fraction form
    166,112.95/249,209.07 = 53,793.31/x
  3. Step 3: Cross multiply
    166,112.95x = 249,209.07 × 53,793.31
  4. Step 4: Simplify right side
    166,112.95x = 13,405,780,757.32
  5. Step 5: Solve for x
    x = 13,405,780,757.32/166,112.95
  6. Step 6: Final answer
    x = 80,702.80

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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.