Home / 156,173.16-215,519.08-84,553.24

Finding the Fourth Proportional to 156,173.16, 215,519.08 and 84,553.24

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Solution

The fourth proportional to 156,173.16, 215,519.08 and 84,553.24 is: 116,683.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,173.16 : 215,519.08 = 84,553.24 : x
  2. Step 2: Convert to fraction form
    156,173.16/215,519.08 = 84,553.24/x
  3. Step 3: Cross multiply
    156,173.16x = 215,519.08 × 84,553.24
  4. Step 4: Simplify right side
    156,173.16x = 18,222,836,495.82
  5. Step 5: Solve for x
    x = 18,222,836,495.82/156,173.16
  6. Step 6: Final answer
    x = 116,683.54

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1.5x scale

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.