Home / 156,189.23-215,380.04-133,603.00

Finding the Fourth Proportional to 156,189.23, 215,380.04 and 133,603.00

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Solution

The fourth proportional to 156,189.23, 215,380.04 and 133,603.00 is: 184,234.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,189.23 : 215,380.04 = 133,603.00 : x
  2. Step 2: Convert to fraction form
    156,189.23/215,380.04 = 133,603.00/x
  3. Step 3: Cross multiply
    156,189.23x = 215,380.04 × 133,603.00
  4. Step 4: Simplify right side
    156,189.23x = 28,775,417,739.20
  5. Step 5: Solve for x
    x = 28,775,417,739.20/156,189.23
  6. Step 6: Final answer
    x = 184,234.33

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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.