Home / 156,892.73-216,512.27-85,272.58

Finding the Fourth Proportional to 156,892.73, 216,512.27 and 85,272.58

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Solution

The fourth proportional to 156,892.73, 216,512.27 and 85,272.58 is: 117,676.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,892.73 : 216,512.27 = 85,272.58 : x
  2. Step 2: Convert to fraction form
    156,892.73/216,512.27 = 85,272.58/x
  3. Step 3: Cross multiply
    156,892.73x = 216,512.27 × 85,272.58
  4. Step 4: Simplify right side
    156,892.73x = 18,462,559,438.19
  5. Step 5: Solve for x
    x = 18,462,559,438.19/156,892.73
  6. Step 6: Final answer
    x = 117,676.32

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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.