Home / 208,734.56-288,052.08-113,240.96

Finding the Fourth Proportional to 208,734.56, 288,052.08 and 113,240.96

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Solution

The fourth proportional to 208,734.56, 288,052.08 and 113,240.96 is: 156,271.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,734.56 : 288,052.08 = 113,240.96 : x
  2. Step 2: Convert to fraction form
    208,734.56/288,052.08 = 113,240.96/x
  3. Step 3: Cross multiply
    208,734.56x = 288,052.08 × 113,240.96
  4. Step 4: Simplify right side
    208,734.56x = 32,619,294,069.20
  5. Step 5: Solve for x
    x = 32,619,294,069.20/208,734.56
  6. Step 6: Final answer
    x = 156,271.65

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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.