Home / 208,747.56-288,069.04-113,253.56

Finding the Fourth Proportional to 208,747.56, 288,069.04 and 113,253.56

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Solution

The fourth proportional to 208,747.56, 288,069.04 and 113,253.56 is: 156,288.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,747.56 : 288,069.04 = 113,253.56 : x
  2. Step 2: Convert to fraction form
    208,747.56/288,069.04 = 113,253.56/x
  3. Step 3: Cross multiply
    208,747.56x = 288,069.04 × 113,253.56
  4. Step 4: Simplify right side
    208,747.56x = 32,624,844,305.78
  5. Step 5: Solve for x
    x = 32,624,844,305.78/208,747.56
  6. Step 6: Final answer
    x = 156,288.51

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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.