Home / 131,005.95-180,793.30-73,646.41

Finding the Fourth Proportional to 131,005.95, 180,793.30 and 73,646.41

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Solution

The fourth proportional to 131,005.95, 180,793.30 and 73,646.41 is: 101,634.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,005.95 : 180,793.30 = 73,646.41 : x
  2. Step 2: Convert to fraction form
    131,005.95/180,793.30 = 73,646.41/x
  3. Step 3: Cross multiply
    131,005.95x = 180,793.30 × 73,646.41
  4. Step 4: Simplify right side
    131,005.95x = 13,314,777,497.05
  5. Step 5: Solve for x
    x = 13,314,777,497.05/131,005.95
  6. Step 6: Final answer
    x = 101,634.91

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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.