Home / 141,134.34-194,764.89-76,603.58

Finding the Fourth Proportional to 141,134.34, 194,764.89 and 76,603.58

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Solution

The fourth proportional to 141,134.34, 194,764.89 and 76,603.58 is: 105,712.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,134.34 : 194,764.89 = 76,603.58 : x
  2. Step 2: Convert to fraction form
    141,134.34/194,764.89 = 76,603.58/x
  3. Step 3: Cross multiply
    141,134.34x = 194,764.89 × 76,603.58
  4. Step 4: Simplify right side
    141,134.34x = 14,919,686,858.48
  5. Step 5: Solve for x
    x = 14,919,686,858.48/141,134.34
  6. Step 6: Final answer
    x = 105,712.67

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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.