Home / 166,765.10-249,926.49-87,935.12

Finding the Fourth Proportional to 166,765.10, 249,926.49 and 87,935.12

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Solution

The fourth proportional to 166,765.10, 249,926.49 and 87,935.12 is: 131,786.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,765.10 : 249,926.49 = 87,935.12 : x
  2. Step 2: Convert to fraction form
    166,765.10/249,926.49 = 87,935.12/x
  3. Step 3: Cross multiply
    166,765.10x = 249,926.49 × 87,935.12
  4. Step 4: Simplify right side
    166,765.10x = 21,977,315,889.33
  5. Step 5: Solve for x
    x = 21,977,315,889.33/166,765.10
  6. Step 6: Final answer
    x = 131,786.06

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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.