Home / 141,166.40-194,816.64-77,503.68

Finding the Fourth Proportional to 141,166.40, 194,816.64 and 77,503.68

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Solution

The fourth proportional to 141,166.40, 194,816.64 and 77,503.68 is: 106,958.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,166.40 : 194,816.64 = 77,503.68 : x
  2. Step 2: Convert to fraction form
    141,166.40/194,816.64 = 77,503.68/x
  3. Step 3: Cross multiply
    141,166.40x = 194,816.64 × 77,503.68
  4. Step 4: Simplify right side
    141,166.40x = 15,099,006,525.24
  5. Step 5: Solve for x
    x = 15,099,006,525.24/141,166.40
  6. Step 6: Final answer
    x = 106,958.93

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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.