Home / 134,074.12-201,108.57-54,109.96

Finding the Fourth Proportional to 134,074.12, 201,108.57 and 54,109.96

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Solution

The fourth proportional to 134,074.12, 201,108.57 and 54,109.96 is: 81,163.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,074.12 : 201,108.57 = 54,109.96 : x
  2. Step 2: Convert to fraction form
    134,074.12/201,108.57 = 54,109.96/x
  3. Step 3: Cross multiply
    134,074.12x = 201,108.57 × 54,109.96
  4. Step 4: Simplify right side
    134,074.12x = 10,881,976,678.36
  5. Step 5: Solve for x
    x = 10,881,976,678.36/134,074.12
  6. Step 6: Final answer
    x = 81,163.89

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.