Home / 156,864.85-235,334.18-51,683.81

Finding the Fourth Proportional to 156,864.85, 235,334.18 and 51,683.81

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Solution

The fourth proportional to 156,864.85, 235,334.18 and 51,683.81 is: 77,537.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,864.85 : 235,334.18 = 51,683.81 : x
  2. Step 2: Convert to fraction form
    156,864.85/235,334.18 = 51,683.81/x
  3. Step 3: Cross multiply
    156,864.85x = 235,334.18 × 51,683.81
  4. Step 4: Simplify right side
    156,864.85x = 12,162,967,375.54
  5. Step 5: Solve for x
    x = 12,162,967,375.54/156,864.85
  6. Step 6: Final answer
    x = 77,537.88

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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.