Home / 189,581.72-261,622.14-114,134.36

Finding the Fourth Proportional to 189,581.72, 261,622.14 and 114,134.36

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Solution

The fourth proportional to 189,581.72, 261,622.14 and 114,134.36 is: 157,505.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,581.72 : 261,622.14 = 114,134.36 : x
  2. Step 2: Convert to fraction form
    189,581.72/261,622.14 = 114,134.36/x
  3. Step 3: Cross multiply
    189,581.72x = 261,622.14 × 114,134.36
  4. Step 4: Simplify right side
    189,581.72x = 29,860,075,510.73
  5. Step 5: Solve for x
    x = 29,860,075,510.73/189,581.72
  6. Step 6: Final answer
    x = 157,505.04

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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.