Home / 208,733.31-288,052.83-113,240.70

Finding the Fourth Proportional to 208,733.31, 288,052.83 and 113,240.70

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Solution

The fourth proportional to 208,733.31, 288,052.83 and 113,240.70 is: 156,272.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,733.31 : 288,052.83 = 113,240.70 : x
  2. Step 2: Convert to fraction form
    208,733.31/288,052.83 = 113,240.70/x
  3. Step 3: Cross multiply
    208,733.31x = 288,052.83 × 113,240.70
  4. Step 4: Simplify right side
    208,733.31x = 32,619,304,106.18
  5. Step 5: Solve for x
    x = 32,619,304,106.18/208,733.31
  6. Step 6: Final answer
    x = 156,272.63

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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.