Home / 156,356.59-215,782.89-95,126.67

Finding the Fourth Proportional to 156,356.59, 215,782.89 and 95,126.67

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Solution

The fourth proportional to 156,356.59, 215,782.89 and 95,126.67 is: 131,281.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,356.59 : 215,782.89 = 95,126.67 : x
  2. Step 2: Convert to fraction form
    156,356.59/215,782.89 = 95,126.67/x
  3. Step 3: Cross multiply
    156,356.59x = 215,782.89 × 95,126.67
  4. Step 4: Simplify right side
    156,356.59x = 20,526,707,768.68
  5. Step 5: Solve for x
    x = 20,526,707,768.68/156,356.59
  6. Step 6: Final answer
    x = 131,281.37

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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.