Home / 156,646.44-216,166.29-85,024.92

Finding the Fourth Proportional to 156,646.44, 216,166.29 and 85,024.92

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Solution

The fourth proportional to 156,646.44, 216,166.29 and 85,024.92 is: 117,331.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,646.44 : 216,166.29 = 85,024.92 : x
  2. Step 2: Convert to fraction form
    156,646.44/216,166.29 = 85,024.92/x
  3. Step 3: Cross multiply
    156,646.44x = 216,166.29 × 85,024.92
  4. Step 4: Simplify right side
    156,646.44x = 18,379,522,005.73
  5. Step 5: Solve for x
    x = 18,379,522,005.73/156,646.44
  6. Step 6: Final answer
    x = 117,331.25

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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.