Home / 166,264.17-249,187.13-71,382.09

Finding the Fourth Proportional to 166,264.17, 249,187.13 and 71,382.09

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Solution

The fourth proportional to 166,264.17, 249,187.13 and 71,382.09 is: 106,983.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,264.17 : 249,187.13 = 71,382.09 : x
  2. Step 2: Convert to fraction form
    166,264.17/249,187.13 = 71,382.09/x
  3. Step 3: Cross multiply
    166,264.17x = 249,187.13 × 71,382.09
  4. Step 4: Simplify right side
    166,264.17x = 17,787,497,783.59
  5. Step 5: Solve for x
    x = 17,787,497,783.59/166,264.17
  6. Step 6: Final answer
    x = 106,983.35

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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.