Home / 209,204.96-288,704.56-113,711.68

Finding the Fourth Proportional to 209,204.96, 288,704.56 and 113,711.68

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Solution

The fourth proportional to 209,204.96, 288,704.56 and 113,711.68 is: 156,923.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,204.96 : 288,704.56 = 113,711.68 : x
  2. Step 2: Convert to fraction form
    209,204.96/288,704.56 = 113,711.68/x
  3. Step 3: Cross multiply
    209,204.96x = 288,704.56 × 113,711.68
  4. Step 4: Simplify right side
    209,204.96x = 32,829,080,541.26
  5. Step 5: Solve for x
    x = 32,829,080,541.26/209,204.96
  6. Step 6: Final answer
    x = 156,923.05

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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.