Home / 209,167.40-288,652.83-113,674.12

Finding the Fourth Proportional to 209,167.40, 288,652.83 and 113,674.12

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Solution

The fourth proportional to 209,167.40, 288,652.83 and 113,674.12 is: 156,871.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,167.40 : 288,652.83 = 113,674.12 : x
  2. Step 2: Convert to fraction form
    209,167.40/288,652.83 = 113,674.12/x
  3. Step 3: Cross multiply
    209,167.40x = 288,652.83 × 113,674.12
  4. Step 4: Simplify right side
    209,167.40x = 32,812,355,287.85
  5. Step 5: Solve for x
    x = 32,812,355,287.85/209,167.40
  6. Step 6: Final answer
    x = 156,871.27

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.