Home / 201,634.80-302,439.96-89,282.16

Finding the Fourth Proportional to 201,634.80, 302,439.96 and 89,282.16

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Solution

The fourth proportional to 201,634.80, 302,439.96 and 89,282.16 is: 133,917.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,634.80 : 302,439.96 = 89,282.16 : x
  2. Step 2: Convert to fraction form
    201,634.80/302,439.96 = 89,282.16/x
  3. Step 3: Cross multiply
    201,634.80x = 302,439.96 × 89,282.16
  4. Step 4: Simplify right side
    201,634.80x = 27,002,492,899.11
  5. Step 5: Solve for x
    x = 27,002,492,899.11/201,634.80
  6. Step 6: Final answer
    x = 133,917.82

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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.