Home / 156,333.22-215,740.60-84,713.22

Finding the Fourth Proportional to 156,333.22, 215,740.60 and 84,713.22

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Solution

The fourth proportional to 156,333.22, 215,740.60 and 84,713.22 is: 116,904.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,333.22 : 215,740.60 = 84,713.22 : x
  2. Step 2: Convert to fraction form
    156,333.22/215,740.60 = 84,713.22/x
  3. Step 3: Cross multiply
    156,333.22x = 215,740.60 × 84,713.22
  4. Step 4: Simplify right side
    156,333.22x = 18,276,080,910.73
  5. Step 5: Solve for x
    x = 18,276,080,910.73/156,333.22
  6. Step 6: Final answer
    x = 116,904.65

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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.