Home / 201,760.32-302,591.76-89,378.40

Finding the Fourth Proportional to 201,760.32, 302,591.76 and 89,378.40

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Solution

The fourth proportional to 201,760.32, 302,591.76 and 89,378.40 is: 134,046.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,760.32 : 302,591.76 = 89,378.40 : x
  2. Step 2: Convert to fraction form
    201,760.32/302,591.76 = 89,378.40/x
  3. Step 3: Cross multiply
    201,760.32x = 302,591.76 × 89,378.40
  4. Step 4: Simplify right side
    201,760.32x = 27,045,167,361.98
  5. Step 5: Solve for x
    x = 27,045,167,361.98/201,760.32
  6. Step 6: Final answer
    x = 134,046.02

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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.