Home / 195,258.95-292,776.32-76,865.70

Finding the Fourth Proportional to 195,258.95, 292,776.32 and 76,865.70

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Solution

The fourth proportional to 195,258.95, 292,776.32 and 76,865.70 is: 115,254.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,258.95 : 292,776.32 = 76,865.70 : x
  2. Step 2: Convert to fraction form
    195,258.95/292,776.32 = 76,865.70/x
  3. Step 3: Cross multiply
    195,258.95x = 292,776.32 × 76,865.70
  4. Step 4: Simplify right side
    195,258.95x = 22,504,456,395.90
  5. Step 5: Solve for x
    x = 22,504,456,395.90/195,258.95
  6. Step 6: Final answer
    x = 115,254.42

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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.