Home / 166,453.30-249,742.80-99,939.80

Finding the Fourth Proportional to 166,453.30, 249,742.80 and 99,939.80

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Solution

The fourth proportional to 166,453.30, 249,742.80 and 99,939.80 is: 149,947.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,453.30 : 249,742.80 = 99,939.80 : x
  2. Step 2: Convert to fraction form
    166,453.30/249,742.80 = 99,939.80/x
  3. Step 3: Cross multiply
    166,453.30x = 249,742.80 × 99,939.80
  4. Step 4: Simplify right side
    166,453.30x = 24,959,245,483.44
  5. Step 5: Solve for x
    x = 24,959,245,483.44/166,453.30
  6. Step 6: Final answer
    x = 149,947.44

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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.