Home / 156,892.07-216,512.51-85,272.27

Finding the Fourth Proportional to 156,892.07, 216,512.51 and 85,272.27

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Solution

The fourth proportional to 156,892.07, 216,512.51 and 85,272.27 is: 117,676.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,892.07 : 216,512.51 = 85,272.27 : x
  2. Step 2: Convert to fraction form
    156,892.07/216,512.51 = 85,272.27/x
  3. Step 3: Cross multiply
    156,892.07x = 216,512.51 × 85,272.27
  4. Step 4: Simplify right side
    156,892.07x = 18,462,512,784.74
  5. Step 5: Solve for x
    x = 18,462,512,784.74/156,892.07
  6. Step 6: Final answer
    x = 117,676.52

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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.