Home / 156,882.03-216,498.57-85,262.04

Finding the Fourth Proportional to 156,882.03, 216,498.57 and 85,262.04

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Solution

The fourth proportional to 156,882.03, 216,498.57 and 85,262.04 is: 117,662.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,882.03 : 216,498.57 = 85,262.04 : x
  2. Step 2: Convert to fraction form
    156,882.03/216,498.57 = 85,262.04/x
  3. Step 3: Cross multiply
    156,882.03x = 216,498.57 × 85,262.04
  4. Step 4: Simplify right side
    156,882.03x = 18,459,109,735.28
  5. Step 5: Solve for x
    x = 18,459,109,735.28/156,882.03
  6. Step 6: Final answer
    x = 117,662.36

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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.