Home / 156,968.83-216,615.41-85,348.85

Finding the Fourth Proportional to 156,968.83, 216,615.41 and 85,348.85

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Solution

The fourth proportional to 156,968.83, 216,615.41 and 85,348.85 is: 117,780.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,968.83 : 216,615.41 = 85,348.85 : x
  2. Step 2: Convert to fraction form
    156,968.83/216,615.41 = 85,348.85/x
  3. Step 3: Cross multiply
    156,968.83x = 216,615.41 × 85,348.85
  4. Step 4: Simplify right side
    156,968.83x = 18,487,876,570.63
  5. Step 5: Solve for x
    x = 18,487,876,570.63/156,968.83
  6. Step 6: Final answer
    x = 117,780.56

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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.