Home / 166,513.45-249,704.43-66,655.03

Finding the Fourth Proportional to 166,513.45, 249,704.43 and 66,655.03

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Solution

The fourth proportional to 166,513.45, 249,704.43 and 66,655.03 is: 99,956.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,513.45 : 249,704.43 = 66,655.03 : x
  2. Step 2: Convert to fraction form
    166,513.45/249,704.43 = 66,655.03/x
  3. Step 3: Cross multiply
    166,513.45x = 249,704.43 × 66,655.03
  4. Step 4: Simplify right side
    166,513.45x = 16,644,055,939.51
  5. Step 5: Solve for x
    x = 16,644,055,939.51/166,513.45
  6. Step 6: Final answer
    x = 99,956.23

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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.