Home / 206,920.20-285,528.60-116,261.76

Finding the Fourth Proportional to 206,920.20, 285,528.60 and 116,261.76

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Solution

The fourth proportional to 206,920.20, 285,528.60 and 116,261.76 is: 160,429.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,920.20 : 285,528.60 = 116,261.76 : x
  2. Step 2: Convert to fraction form
    206,920.20/285,528.60 = 116,261.76/x
  3. Step 3: Cross multiply
    206,920.20x = 285,528.60 × 116,261.76
  4. Step 4: Simplify right side
    206,920.20x = 33,196,057,566.34
  5. Step 5: Solve for x
    x = 33,196,057,566.34/206,920.20
  6. Step 6: Final answer
    x = 160,429.27

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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.