Home / 156,845.64-215,617.20-134,960.61

Finding the Fourth Proportional to 156,845.64, 215,617.20 and 134,960.61

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Solution

The fourth proportional to 156,845.64, 215,617.20 and 134,960.61 is: 185,531.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,845.64 : 215,617.20 = 134,960.61 : x
  2. Step 2: Convert to fraction form
    156,845.64/215,617.20 = 134,960.61/x
  3. Step 3: Cross multiply
    156,845.64x = 215,617.20 × 134,960.61
  4. Step 4: Simplify right side
    156,845.64x = 29,099,828,838.49
  5. Step 5: Solve for x
    x = 29,099,828,838.49/156,845.64
  6. Step 6: Final answer
    x = 185,531.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.