Home / 195,258.38-292,584.64-135,403.60

Finding the Fourth Proportional to 195,258.38, 292,584.64 and 135,403.60

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Solution

The fourth proportional to 195,258.38, 292,584.64 and 135,403.60 is: 202,895.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,258.38 : 292,584.64 = 135,403.60 : x
  2. Step 2: Convert to fraction form
    195,258.38/292,584.64 = 135,403.60/x
  3. Step 3: Cross multiply
    195,258.38x = 292,584.64 × 135,403.60
  4. Step 4: Simplify right side
    195,258.38x = 39,617,013,560.70
  5. Step 5: Solve for x
    x = 39,617,013,560.70/195,258.38
  6. Step 6: Final answer
    x = 202,895.33

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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.