Home / 204,914.96-307,298.50-86,595.44

Finding the Fourth Proportional to 204,914.96, 307,298.50 and 86,595.44

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Solution

The fourth proportional to 204,914.96, 307,298.50 and 86,595.44 is: 129,861.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,914.96 : 307,298.50 = 86,595.44 : x
  2. Step 2: Convert to fraction form
    204,914.96/307,298.50 = 86,595.44/x
  3. Step 3: Cross multiply
    204,914.96x = 307,298.50 × 86,595.44
  4. Step 4: Simplify right side
    204,914.96x = 26,610,648,818.84
  5. Step 5: Solve for x
    x = 26,610,648,818.84/204,914.96
  6. Step 6: Final answer
    x = 129,861.91

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1.5x scale

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.