Home / 156,796.92-216,380.16-85,176.36

Finding the Fourth Proportional to 156,796.92, 216,380.16 and 85,176.36

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Solution

The fourth proportional to 156,796.92, 216,380.16 and 85,176.36 is: 117,543.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,796.92 : 216,380.16 = 85,176.36 : x
  2. Step 2: Convert to fraction form
    156,796.92/216,380.16 = 85,176.36/x
  3. Step 3: Cross multiply
    156,796.92x = 216,380.16 × 85,176.36
  4. Step 4: Simplify right side
    156,796.92x = 18,430,474,405.02
  5. Step 5: Solve for x
    x = 18,430,474,405.02/156,796.92
  6. Step 6: Final answer
    x = 117,543.60

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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.