Home / 136,158.27-187,846.87-84,451.45

Finding the Fourth Proportional to 136,158.27, 187,846.87 and 84,451.45

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Solution

The fourth proportional to 136,158.27, 187,846.87 and 84,451.45 is: 116,511.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,158.27 : 187,846.87 = 84,451.45 : x
  2. Step 2: Convert to fraction form
    136,158.27/187,846.87 = 84,451.45/x
  3. Step 3: Cross multiply
    136,158.27x = 187,846.87 × 84,451.45
  4. Step 4: Simplify right side
    136,158.27x = 15,863,939,187.97
  5. Step 5: Solve for x
    x = 15,863,939,187.97/136,158.27
  6. Step 6: Final answer
    x = 116,511.02

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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.