Home / 198,499.29-297,581.55-86,094.84

Finding the Fourth Proportional to 198,499.29, 297,581.55 and 86,094.84

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Solution

The fourth proportional to 198,499.29, 297,581.55 and 86,094.84 is: 129,069.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,499.29 : 297,581.55 = 86,094.84 : x
  2. Step 2: Convert to fraction form
    198,499.29/297,581.55 = 86,094.84/x
  3. Step 3: Cross multiply
    198,499.29x = 297,581.55 × 86,094.84
  4. Step 4: Simplify right side
    198,499.29x = 25,620,236,727.28
  5. Step 5: Solve for x
    x = 25,620,236,727.28/198,499.29
  6. Step 6: Final answer
    x = 129,069.67

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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.