Home / 156,669.44-216,197.60-85,047.04

Finding the Fourth Proportional to 156,669.44, 216,197.60 and 85,047.04

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Solution

The fourth proportional to 156,669.44, 216,197.60 and 85,047.04 is: 117,361.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,669.44 : 216,197.60 = 85,047.04 : x
  2. Step 2: Convert to fraction form
    156,669.44/216,197.60 = 85,047.04/x
  3. Step 3: Cross multiply
    156,669.44x = 216,197.60 × 85,047.04
  4. Step 4: Simplify right side
    156,669.44x = 18,386,965,935.10
  5. Step 5: Solve for x
    x = 18,386,965,935.10/156,669.44
  6. Step 6: Final answer
    x = 117,361.53

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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.