Home / 208,839.52-288,196.14-113,346.28

Finding the Fourth Proportional to 208,839.52, 288,196.14 and 113,346.28

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Solution

The fourth proportional to 208,839.52, 288,196.14 and 113,346.28 is: 156,416.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,839.52 : 288,196.14 = 113,346.28 : x
  2. Step 2: Convert to fraction form
    208,839.52/288,196.14 = 113,346.28/x
  3. Step 3: Cross multiply
    208,839.52x = 288,196.14 × 113,346.28
  4. Step 4: Simplify right side
    208,839.52x = 32,665,960,379.36
  5. Step 5: Solve for x
    x = 32,665,960,379.36/208,839.52
  6. Step 6: Final answer
    x = 156,416.57

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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.