Home / 156,237.08-215,607.30-84,617.24

Finding the Fourth Proportional to 156,237.08, 215,607.30 and 84,617.24

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Solution

The fourth proportional to 156,237.08, 215,607.30 and 84,617.24 is: 116,771.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,237.08 : 215,607.30 = 84,617.24 : x
  2. Step 2: Convert to fraction form
    156,237.08/215,607.30 = 84,617.24/x
  3. Step 3: Cross multiply
    156,237.08x = 215,607.30 × 84,617.24
  4. Step 4: Simplify right side
    156,237.08x = 18,244,094,649.85
  5. Step 5: Solve for x
    x = 18,244,094,649.85/156,237.08
  6. Step 6: Final answer
    x = 116,771.86

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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.