Home / 166,206.08-249,161.12-61,000.64

Finding the Fourth Proportional to 166,206.08, 249,161.12 and 61,000.64

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Solution

The fourth proportional to 166,206.08, 249,161.12 and 61,000.64 is: 91,446.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,206.08 : 249,161.12 = 61,000.64 : x
  2. Step 2: Convert to fraction form
    166,206.08/249,161.12 = 61,000.64/x
  3. Step 3: Cross multiply
    166,206.08x = 249,161.12 × 61,000.64
  4. Step 4: Simplify right side
    166,206.08x = 15,198,987,783.12
  5. Step 5: Solve for x
    x = 15,198,987,783.12/166,206.08
  6. Step 6: Final answer
    x = 91,446.64

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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.