Home / 141,186.36-194,840.58-76,658.34

Finding the Fourth Proportional to 141,186.36, 194,840.58 and 76,658.34

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Solution

The fourth proportional to 141,186.36, 194,840.58 and 76,658.34 is: 105,790.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,186.36 : 194,840.58 = 76,658.34 : x
  2. Step 2: Convert to fraction form
    141,186.36/194,840.58 = 76,658.34/x
  3. Step 3: Cross multiply
    141,186.36x = 194,840.58 × 76,658.34
  4. Step 4: Simplify right side
    141,186.36x = 14,936,155,427.44
  5. Step 5: Solve for x
    x = 14,936,155,427.44/141,186.36
  6. Step 6: Final answer
    x = 105,790.36

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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.