Home / 156,150.35-215,486.01-84,528.53

Finding the Fourth Proportional to 156,150.35, 215,486.01 and 84,528.53

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Solution

The fourth proportional to 156,150.35, 215,486.01 and 84,528.53 is: 116,648.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,150.35 : 215,486.01 = 84,528.53 : x
  2. Step 2: Convert to fraction form
    156,150.35/215,486.01 = 84,528.53/x
  3. Step 3: Cross multiply
    156,150.35x = 215,486.01 × 84,528.53
  4. Step 4: Simplify right side
    156,150.35x = 18,214,714,583.44
  5. Step 5: Solve for x
    x = 18,214,714,583.44/156,150.35
  6. Step 6: Final answer
    x = 116,648.57

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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.