Home / 166,289.80-249,217.76-76,300.03

Finding the Fourth Proportional to 166,289.80, 249,217.76 and 76,300.03

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Solution

The fourth proportional to 166,289.80, 249,217.76 and 76,300.03 is: 114,350.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,289.80 : 249,217.76 = 76,300.03 : x
  2. Step 2: Convert to fraction form
    166,289.80/249,217.76 = 76,300.03/x
  3. Step 3: Cross multiply
    166,289.80x = 249,217.76 × 76,300.03
  4. Step 4: Simplify right side
    166,289.80x = 19,015,321,664.96
  5. Step 5: Solve for x
    x = 19,015,321,664.96/166,289.80
  6. Step 6: Final answer
    x = 114,350.50

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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.