Home / 166,163.97-249,304.28-103,761.57

Finding the Fourth Proportional to 166,163.97, 249,304.28 and 103,761.57

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Solution

The fourth proportional to 166,163.97, 249,304.28 and 103,761.57 is: 155,678.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,163.97 : 249,304.28 = 103,761.57 : x
  2. Step 2: Convert to fraction form
    166,163.97/249,304.28 = 103,761.57/x
  3. Step 3: Cross multiply
    166,163.97x = 249,304.28 × 103,761.57
  4. Step 4: Simplify right side
    166,163.97x = 25,868,202,981.71
  5. Step 5: Solve for x
    x = 25,868,202,981.71/166,163.97
  6. Step 6: Final answer
    x = 155,678.77

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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.