Home / 166,411.40-249,617.10-164,661.80

Finding the Fourth Proportional to 166,411.40, 249,617.10 and 164,661.80

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Solution

The fourth proportional to 166,411.40, 249,617.10 and 164,661.80 is: 246,992.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,411.40 : 249,617.10 = 164,661.80 : x
  2. Step 2: Convert to fraction form
    166,411.40/249,617.10 = 164,661.80/x
  3. Step 3: Cross multiply
    166,411.40x = 249,617.10 × 164,661.80
  4. Step 4: Simplify right side
    166,411.40x = 41,102,400,996.78
  5. Step 5: Solve for x
    x = 41,102,400,996.78/166,411.40
  6. Step 6: Final answer
    x = 246,992.70

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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.