Home / 149,037.35-205,673.33-81,056.03

Finding the Fourth Proportional to 149,037.35, 205,673.33 and 81,056.03

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Solution

The fourth proportional to 149,037.35, 205,673.33 and 81,056.03 is: 111,858.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,037.35 : 205,673.33 = 81,056.03 : x
  2. Step 2: Convert to fraction form
    149,037.35/205,673.33 = 81,056.03/x
  3. Step 3: Cross multiply
    149,037.35x = 205,673.33 × 81,056.03
  4. Step 4: Simplify right side
    149,037.35x = 16,671,062,173.03
  5. Step 5: Solve for x
    x = 16,671,062,173.03/149,037.35
  6. Step 6: Final answer
    x = 111,858.29

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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.