Home / 156,655.32-216,184.58-85,035.39

Finding the Fourth Proportional to 156,655.32, 216,184.58 and 85,035.39

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Solution

The fourth proportional to 156,655.32, 216,184.58 and 85,035.39 is: 117,348.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,655.32 : 216,184.58 = 85,035.39 : x
  2. Step 2: Convert to fraction form
    156,655.32/216,184.58 = 85,035.39/x
  3. Step 3: Cross multiply
    156,655.32x = 216,184.58 × 85,035.39
  4. Step 4: Simplify right side
    156,655.32x = 18,383,339,155.30
  5. Step 5: Solve for x
    x = 18,383,339,155.30/156,655.32
  6. Step 6: Final answer
    x = 117,348.96

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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.