Home / 198,526.50-297,716.31-65,367.90

Finding the Fourth Proportional to 198,526.50, 297,716.31 and 65,367.90

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Solution

The fourth proportional to 198,526.50, 297,716.31 and 65,367.90 is: 98,027.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,526.50 : 297,716.31 = 65,367.90 : x
  2. Step 2: Convert to fraction form
    198,526.50/297,716.31 = 65,367.90/x
  3. Step 3: Cross multiply
    198,526.50x = 297,716.31 × 65,367.90
  4. Step 4: Simplify right side
    198,526.50x = 19,461,089,980.45
  5. Step 5: Solve for x
    x = 19,461,089,980.45/198,526.50
  6. Step 6: Final answer
    x = 98,027.67

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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.