Home / 204,507.93-306,614.27-86,114.67

Finding the Fourth Proportional to 204,507.93, 306,614.27 and 86,114.67

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Solution

The fourth proportional to 204,507.93, 306,614.27 and 86,114.67 is: 129,109.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,507.93 : 306,614.27 = 86,114.67 : x
  2. Step 2: Convert to fraction form
    204,507.93/306,614.27 = 86,114.67/x
  3. Step 3: Cross multiply
    204,507.93x = 306,614.27 × 86,114.67
  4. Step 4: Simplify right side
    204,507.93x = 26,403,986,247.77
  5. Step 5: Solve for x
    x = 26,403,986,247.77/204,507.93
  6. Step 6: Final answer
    x = 129,109.84

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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.