Home / 126,193.82-174,089.32-80,850.02

Finding the Fourth Proportional to 126,193.82, 174,089.32 and 80,850.02

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Solution

The fourth proportional to 126,193.82, 174,089.32 and 80,850.02 is: 111,535.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,193.82 : 174,089.32 = 80,850.02 : x
  2. Step 2: Convert to fraction form
    126,193.82/174,089.32 = 80,850.02/x
  3. Step 3: Cross multiply
    126,193.82x = 174,089.32 × 80,850.02
  4. Step 4: Simplify right side
    126,193.82x = 14,075,123,931.21
  5. Step 5: Solve for x
    x = 14,075,123,931.21/126,193.82
  6. Step 6: Final answer
    x = 111,535.77

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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.