Home / 156,090.58-215,403.24-84,469.30

Finding the Fourth Proportional to 156,090.58, 215,403.24 and 84,469.30

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Solution

The fourth proportional to 156,090.58, 215,403.24 and 84,469.30 is: 116,566.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,090.58 : 215,403.24 = 84,469.30 : x
  2. Step 2: Convert to fraction form
    156,090.58/215,403.24 = 84,469.30/x
  3. Step 3: Cross multiply
    156,090.58x = 215,403.24 × 84,469.30
  4. Step 4: Simplify right side
    156,090.58x = 18,194,960,900.53
  5. Step 5: Solve for x
    x = 18,194,960,900.53/156,090.58
  6. Step 6: Final answer
    x = 116,566.68

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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.