Home / 166,772.49-230,146.16-90,292.25

Finding the Fourth Proportional to 166,772.49, 230,146.16 and 90,292.25

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Solution

The fourth proportional to 166,772.49, 230,146.16 and 90,292.25 is: 124,603.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,772.49 : 230,146.16 = 90,292.25 : x
  2. Step 2: Convert to fraction form
    166,772.49/230,146.16 = 90,292.25/x
  3. Step 3: Cross multiply
    166,772.49x = 230,146.16 × 90,292.25
  4. Step 4: Simplify right side
    166,772.49x = 20,780,413,013.07
  5. Step 5: Solve for x
    x = 20,780,413,013.07/166,772.49
  6. Step 6: Final answer
    x = 124,603.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.