Home / 156,647.34-216,173.46-85,027.32

Finding the Fourth Proportional to 156,647.34, 216,173.46 and 85,027.32

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Solution

The fourth proportional to 156,647.34, 216,173.46 and 85,027.32 is: 117,337.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,647.34 : 216,173.46 = 85,027.32 : x
  2. Step 2: Convert to fraction form
    156,647.34/216,173.46 = 85,027.32/x
  3. Step 3: Cross multiply
    156,647.34x = 216,173.46 × 85,027.32
  4. Step 4: Simplify right side
    156,647.34x = 18,380,649,958.93
  5. Step 5: Solve for x
    x = 18,380,649,958.93/156,647.34
  6. Step 6: Final answer
    x = 117,337.77

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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.