Home / 206,540.47-285,002.71-115,877.58

Finding the Fourth Proportional to 206,540.47, 285,002.71 and 115,877.58

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Solution

The fourth proportional to 206,540.47, 285,002.71 and 115,877.58 is: 159,898.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,540.47 : 285,002.71 = 115,877.58 : x
  2. Step 2: Convert to fraction form
    206,540.47/285,002.71 = 115,877.58/x
  3. Step 3: Cross multiply
    206,540.47x = 285,002.71 × 115,877.58
  4. Step 4: Simplify right side
    206,540.47x = 33,025,424,328.24
  5. Step 5: Solve for x
    x = 33,025,424,328.24/206,540.47
  6. Step 6: Final answer
    x = 159,898.08

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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.