Home / 156,882.06-216,498.92-85,262.09

Finding the Fourth Proportional to 156,882.06, 216,498.92 and 85,262.09

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Solution

The fourth proportional to 156,882.06, 216,498.92 and 85,262.09 is: 117,662.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,882.06 : 216,498.92 = 85,262.09 : x
  2. Step 2: Convert to fraction form
    156,882.06/216,498.92 = 85,262.09/x
  3. Step 3: Cross multiply
    156,882.06x = 216,498.92 × 85,262.09
  4. Step 4: Simplify right side
    156,882.06x = 18,459,148,893.14
  5. Step 5: Solve for x
    x = 18,459,148,893.14/156,882.06
  6. Step 6: Final answer
    x = 117,662.59

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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.