Home / 208,888.34-288,265.20-113,394.36

Finding the Fourth Proportional to 208,888.34, 288,265.20 and 113,394.36

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Solution

The fourth proportional to 208,888.34, 288,265.20 and 113,394.36 is: 156,483.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,888.34 : 288,265.20 = 113,394.36 : x
  2. Step 2: Convert to fraction form
    208,888.34/288,265.20 = 113,394.36/x
  3. Step 3: Cross multiply
    208,888.34x = 288,265.20 × 113,394.36
  4. Step 4: Simplify right side
    208,888.34x = 32,687,647,864.27
  5. Step 5: Solve for x
    x = 32,687,647,864.27/208,888.34
  6. Step 6: Final answer
    x = 156,483.83

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1.5x scale

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.