Home / 166,518.72-249,661.26-61,324.20

Finding the Fourth Proportional to 166,518.72, 249,661.26 and 61,324.20

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Solution

The fourth proportional to 166,518.72, 249,661.26 and 61,324.20 is: 91,943.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,518.72 : 249,661.26 = 61,324.20 : x
  2. Step 2: Convert to fraction form
    166,518.72/249,661.26 = 61,324.20/x
  3. Step 3: Cross multiply
    166,518.72x = 249,661.26 × 61,324.20
  4. Step 4: Simplify right side
    166,518.72x = 15,310,277,040.49
  5. Step 5: Solve for x
    x = 15,310,277,040.49/166,518.72
  6. Step 6: Final answer
    x = 91,943.28

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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.