Home / 201,534.12-302,288.94-75,149.82

Finding the Fourth Proportional to 201,534.12, 302,288.94 and 75,149.82

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Solution

The fourth proportional to 201,534.12, 302,288.94 and 75,149.82 is: 112,720.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,534.12 : 302,288.94 = 75,149.82 : x
  2. Step 2: Convert to fraction form
    201,534.12/302,288.94 = 75,149.82/x
  3. Step 3: Cross multiply
    201,534.12x = 302,288.94 × 75,149.82
  4. Step 4: Simplify right side
    201,534.12x = 22,716,959,428.99
  5. Step 5: Solve for x
    x = 22,716,959,428.99/201,534.12
  6. Step 6: Final answer
    x = 112,720.17

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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.