Home / 149,194.13-205,887.90-82,126.13

Finding the Fourth Proportional to 149,194.13, 205,887.90 and 82,126.13

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Solution

The fourth proportional to 149,194.13, 205,887.90 and 82,126.13 is: 113,334.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,194.13 : 205,887.90 = 82,126.13 : x
  2. Step 2: Convert to fraction form
    149,194.13/205,887.90 = 82,126.13/x
  3. Step 3: Cross multiply
    149,194.13x = 205,887.90 × 82,126.13
  4. Step 4: Simplify right side
    149,194.13x = 16,908,775,411.39
  5. Step 5: Solve for x
    x = 16,908,775,411.39/149,194.13
  6. Step 6: Final answer
    x = 113,334.06

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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.