Home / 131,039.98-180,813.06-73,671.73

Finding the Fourth Proportional to 131,039.98, 180,813.06 and 73,671.73

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Solution

The fourth proportional to 131,039.98, 180,813.06 and 73,671.73 is: 101,654.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,039.98 : 180,813.06 = 73,671.73 : x
  2. Step 2: Convert to fraction form
    131,039.98/180,813.06 = 73,671.73/x
  3. Step 3: Cross multiply
    131,039.98x = 180,813.06 × 73,671.73
  4. Step 4: Simplify right side
    131,039.98x = 13,320,810,484.76
  5. Step 5: Solve for x
    x = 13,320,810,484.76/131,039.98
  6. Step 6: Final answer
    x = 101,654.55

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1.5x scale

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.