Home / 208,826.52-288,178.20-113,333.28

Finding the Fourth Proportional to 208,826.52, 288,178.20 and 113,333.28

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Solution

The fourth proportional to 208,826.52, 288,178.20 and 113,333.28 is: 156,398.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,826.52 : 288,178.20 = 113,333.28 : x
  2. Step 2: Convert to fraction form
    208,826.52/288,178.20 = 113,333.28/x
  3. Step 3: Cross multiply
    208,826.52x = 288,178.20 × 113,333.28
  4. Step 4: Simplify right side
    208,826.52x = 32,660,180,630.50
  5. Step 5: Solve for x
    x = 32,660,180,630.50/208,826.52
  6. Step 6: Final answer
    x = 156,398.63

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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.