Home / 201,836.60-302,819.70-89,473.40

Finding the Fourth Proportional to 201,836.60, 302,819.70 and 89,473.40

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Solution

The fourth proportional to 201,836.60, 302,819.70 and 89,473.40 is: 134,238.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,836.60 : 302,819.70 = 89,473.40 : x
  2. Step 2: Convert to fraction form
    201,836.60/302,819.70 = 89,473.40/x
  3. Step 3: Cross multiply
    201,836.60x = 302,819.70 × 89,473.40
  4. Step 4: Simplify right side
    201,836.60x = 27,094,308,145.98
  5. Step 5: Solve for x
    x = 27,094,308,145.98/201,836.60
  6. Step 6: Final answer
    x = 134,238.83

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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.