Home / 208,536.20-287,777.78-116,654.29

Finding the Fourth Proportional to 208,536.20, 287,777.78 and 116,654.29

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Solution

The fourth proportional to 208,536.20, 287,777.78 and 116,654.29 is: 160,981.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,536.20 : 287,777.78 = 116,654.29 : x
  2. Step 2: Convert to fraction form
    208,536.20/287,777.78 = 116,654.29/x
  3. Step 3: Cross multiply
    208,536.20x = 287,777.78 × 116,654.29
  4. Step 4: Simplify right side
    208,536.20x = 33,570,512,603.68
  5. Step 5: Solve for x
    x = 33,570,512,603.68/208,536.20
  6. Step 6: Final answer
    x = 160,981.70

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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.