Home / 156,940.37-216,575.14-85,322.20

Finding the Fourth Proportional to 156,940.37, 216,575.14 and 85,322.20

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Solution

The fourth proportional to 156,940.37, 216,575.14 and 85,322.20 is: 117,743.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,940.37 : 216,575.14 = 85,322.20 : x
  2. Step 2: Convert to fraction form
    156,940.37/216,575.14 = 85,322.20/x
  3. Step 3: Cross multiply
    156,940.37x = 216,575.14 × 85,322.20
  4. Step 4: Simplify right side
    156,940.37x = 18,478,667,410.11
  5. Step 5: Solve for x
    x = 18,478,667,410.11/156,940.37
  6. Step 6: Final answer
    x = 117,743.24

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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.