Home / 166,977.08-230,452-103,335.38

Finding the Fourth Proportional to 166,977.08, 230,452 and 103,335.38

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Solution

The fourth proportional to 166,977.08, 230,452 and 103,335.38 is: 142,617.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,977.08 : 230,452 = 103,335.38 : x
  2. Step 2: Convert to fraction form
    166,977.08/230,452 = 103,335.38/x
  3. Step 3: Cross multiply
    166,977.08x = 230,452 × 103,335.38
  4. Step 4: Simplify right side
    166,977.08x = 23,813,844,991.76
  5. Step 5: Solve for x
    x = 23,813,844,991.76/166,977.08
  6. Step 6: Final answer
    x = 142,617.45

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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.