Home / 156,841.73-216,442.26-85,222.04

Finding the Fourth Proportional to 156,841.73, 216,442.26 and 85,222.04

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Solution

The fourth proportional to 156,841.73, 216,442.26 and 85,222.04 is: 117,606.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,841.73 : 216,442.26 = 85,222.04 : x
  2. Step 2: Convert to fraction form
    156,841.73/216,442.26 = 85,222.04/x
  3. Step 3: Cross multiply
    156,841.73x = 216,442.26 × 85,222.04
  4. Step 4: Simplify right side
    156,841.73x = 18,445,649,857.20
  5. Step 5: Solve for x
    x = 18,445,649,857.20/156,841.73
  6. Step 6: Final answer
    x = 117,606.77

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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.