Home / 156,844.22-216,445.91-85,224.20

Finding the Fourth Proportional to 156,844.22, 216,445.91 and 85,224.20

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Solution

The fourth proportional to 156,844.22, 216,445.91 and 85,224.20 is: 117,609.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,844.22 : 216,445.91 = 85,224.20 : x
  2. Step 2: Convert to fraction form
    156,844.22/216,445.91 = 85,224.20/x
  3. Step 3: Cross multiply
    156,844.22x = 216,445.91 × 85,224.20
  4. Step 4: Simplify right side
    156,844.22x = 18,446,428,014.67
  5. Step 5: Solve for x
    x = 18,446,428,014.67/156,844.22
  6. Step 6: Final answer
    x = 117,609.87

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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.