Home / 136,211.26-187,977.66-113,512.25

Finding the Fourth Proportional to 136,211.26, 187,977.66 and 113,512.25

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Solution

The fourth proportional to 136,211.26, 187,977.66 and 113,512.25 is: 156,652.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,211.26 : 187,977.66 = 113,512.25 : x
  2. Step 2: Convert to fraction form
    136,211.26/187,977.66 = 113,512.25/x
  3. Step 3: Cross multiply
    136,211.26x = 187,977.66 × 113,512.25
  4. Step 4: Simplify right side
    136,211.26x = 21,337,767,026.08
  5. Step 5: Solve for x
    x = 21,337,767,026.08/136,211.26
  6. Step 6: Final answer
    x = 156,652.01

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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.