Home / 156,914.55-235,369.76-38,586.91

Finding the Fourth Proportional to 156,914.55, 235,369.76 and 38,586.91

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Solution

The fourth proportional to 156,914.55, 235,369.76 and 38,586.91 is: 57,879.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,914.55 : 235,369.76 = 38,586.91 : x
  2. Step 2: Convert to fraction form
    156,914.55/235,369.76 = 38,586.91/x
  3. Step 3: Cross multiply
    156,914.55x = 235,369.76 × 38,586.91
  4. Step 4: Simplify right side
    156,914.55x = 9,082,191,745.84
  5. Step 5: Solve for x
    x = 9,082,191,745.84/156,914.55
  6. Step 6: Final answer
    x = 57,879.86

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.