Home / 156,942.36-216,584.73-85,327.32

Finding the Fourth Proportional to 156,942.36, 216,584.73 and 85,327.32

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Solution

The fourth proportional to 156,942.36, 216,584.73 and 85,327.32 is: 117,754.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,942.36 : 216,584.73 = 85,327.32 : x
  2. Step 2: Convert to fraction form
    156,942.36/216,584.73 = 85,327.32/x
  3. Step 3: Cross multiply
    156,942.36x = 216,584.73 × 85,327.32
  4. Step 4: Simplify right side
    156,942.36x = 18,480,594,563.82
  5. Step 5: Solve for x
    x = 18,480,594,563.82/156,942.36
  6. Step 6: Final answer
    x = 117,754.02

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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.