Home / 166,031.22-249,094.62-81,816.69

Finding the Fourth Proportional to 166,031.22, 249,094.62 and 81,816.69

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Solution

The fourth proportional to 166,031.22, 249,094.62 and 81,816.69 is: 122,748.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,031.22 : 249,094.62 = 81,816.69 : x
  2. Step 2: Convert to fraction form
    166,031.22/249,094.62 = 81,816.69/x
  3. Step 3: Cross multiply
    166,031.22x = 249,094.62 × 81,816.69
  4. Step 4: Simplify right side
    166,031.22x = 20,380,097,305.21
  5. Step 5: Solve for x
    x = 20,380,097,305.21/166,031.22
  6. Step 6: Final answer
    x = 122,748.58

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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.