Home / 156,879.04-216,498.32-92,336.64

Finding the Fourth Proportional to 156,879.04, 216,498.32 and 92,336.64

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Solution

The fourth proportional to 156,879.04, 216,498.32 and 92,336.64 is: 127,427.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,879.04 : 216,498.32 = 92,336.64 : x
  2. Step 2: Convert to fraction form
    156,879.04/216,498.32 = 92,336.64/x
  3. Step 3: Cross multiply
    156,879.04x = 216,498.32 × 92,336.64
  4. Step 4: Simplify right side
    156,879.04x = 19,990,727,434.44
  5. Step 5: Solve for x
    x = 19,990,727,434.44/156,879.04
  6. Step 6: Final answer
    x = 127,427.65

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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.