Home / 166,465.14-249,721.41-54,109.23

Finding the Fourth Proportional to 166,465.14, 249,721.41 and 54,109.23

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Solution

The fourth proportional to 166,465.14, 249,721.41 and 54,109.23 is: 81,171.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,465.14 : 249,721.41 = 54,109.23 : x
  2. Step 2: Convert to fraction form
    166,465.14/249,721.41 = 54,109.23/x
  3. Step 3: Cross multiply
    166,465.14x = 249,721.41 × 54,109.23
  4. Step 4: Simplify right side
    166,465.14x = 13,512,233,209.61
  5. Step 5: Solve for x
    x = 13,512,233,209.61/166,465.14
  6. Step 6: Final answer
    x = 81,171.55

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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.