Home / 156,944.94-216,586.22-85,325.01

Finding the Fourth Proportional to 156,944.94, 216,586.22 and 85,325.01

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Solution

The fourth proportional to 156,944.94, 216,586.22 and 85,325.01 is: 117,749.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,944.94 : 216,586.22 = 85,325.01 : x
  2. Step 2: Convert to fraction form
    156,944.94/216,586.22 = 85,325.01/x
  3. Step 3: Cross multiply
    156,944.94x = 216,586.22 × 85,325.01
  4. Step 4: Simplify right side
    156,944.94x = 18,480,220,960.74
  5. Step 5: Solve for x
    x = 18,480,220,960.74/156,944.94
  6. Step 6: Final answer
    x = 117,749.71

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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.