Home / 156,188.64-215,379.21-133,602.39

Finding the Fourth Proportional to 156,188.64, 215,379.21 and 133,602.39

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Solution

The fourth proportional to 156,188.64, 215,379.21 and 133,602.39 is: 184,233.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,188.64 : 215,379.21 = 133,602.39 : x
  2. Step 2: Convert to fraction form
    156,188.64/215,379.21 = 133,602.39/x
  3. Step 3: Cross multiply
    156,188.64x = 215,379.21 × 133,602.39
  4. Step 4: Simplify right side
    156,188.64x = 28,775,177,212.31
  5. Step 5: Solve for x
    x = 28,775,177,212.31/156,188.64
  6. Step 6: Final answer
    x = 184,233.48

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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.