Home / 166,015.26-249,096.09-87,110.46

Finding the Fourth Proportional to 166,015.26, 249,096.09 and 87,110.46

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Solution

The fourth proportional to 166,015.26, 249,096.09 and 87,110.46 is: 130,704.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,015.26 : 249,096.09 = 87,110.46 : x
  2. Step 2: Convert to fraction form
    166,015.26/249,096.09 = 87,110.46/x
  3. Step 3: Cross multiply
    166,015.26x = 249,096.09 × 87,110.46
  4. Step 4: Simplify right side
    166,015.26x = 21,698,874,984.10
  5. Step 5: Solve for x
    x = 21,698,874,984.10/166,015.26
  6. Step 6: Final answer
    x = 130,704.10

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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.