Home / 195,102.32-292,519-76,787.24

Finding the Fourth Proportional to 195,102.32, 292,519 and 76,787.24

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Solution

The fourth proportional to 195,102.32, 292,519 and 76,787.24 is: 115,127.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,102.32 : 292,519 = 76,787.24 : x
  2. Step 2: Convert to fraction form
    195,102.32/292,519 = 76,787.24/x
  3. Step 3: Cross multiply
    195,102.32x = 292,519 × 76,787.24
  4. Step 4: Simplify right side
    195,102.32x = 22,461,726,657.56
  5. Step 5: Solve for x
    x = 22,461,726,657.56/195,102.32
  6. Step 6: Final answer
    x = 115,127.93

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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.