Home / 156,189.64-215,380.59-133,603.39

Finding the Fourth Proportional to 156,189.64, 215,380.59 and 133,603.39

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Solution

The fourth proportional to 156,189.64, 215,380.59 and 133,603.39 is: 184,234.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,189.64 : 215,380.59 = 133,603.39 : x
  2. Step 2: Convert to fraction form
    156,189.64/215,380.59 = 133,603.39/x
  3. Step 3: Cross multiply
    156,189.64x = 215,380.59 × 133,603.39
  4. Step 4: Simplify right side
    156,189.64x = 28,775,576,964.20
  5. Step 5: Solve for x
    x = 28,775,576,964.20/156,189.64
  6. Step 6: Final answer
    x = 184,234.86

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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.