Home / 156,914.65-235,370.89-51,742.09

Finding the Fourth Proportional to 156,914.65, 235,370.89 and 51,742.09

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Solution

The fourth proportional to 156,914.65, 235,370.89 and 51,742.09 is: 77,612.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,914.65 : 235,370.89 = 51,742.09 : x
  2. Step 2: Convert to fraction form
    156,914.65/235,370.89 = 51,742.09/x
  3. Step 3: Cross multiply
    156,914.65x = 235,370.89 × 51,742.09
  4. Step 4: Simplify right side
    156,914.65x = 12,178,581,773.76
  5. Step 5: Solve for x
    x = 12,178,581,773.76/156,914.65
  6. Step 6: Final answer
    x = 77,612.78

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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.