Home / 156,826.16-216,272.52-120,959.36

Finding the Fourth Proportional to 156,826.16, 216,272.52 and 120,959.36

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Solution

The fourth proportional to 156,826.16, 216,272.52 and 120,959.36 is: 166,810.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,826.16 : 216,272.52 = 120,959.36 : x
  2. Step 2: Convert to fraction form
    156,826.16/216,272.52 = 120,959.36/x
  3. Step 3: Cross multiply
    156,826.16x = 216,272.52 × 120,959.36
  4. Step 4: Simplify right side
    156,826.16x = 26,160,185,604.79
  5. Step 5: Solve for x
    x = 26,160,185,604.79/156,826.16
  6. Step 6: Final answer
    x = 166,810.09

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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.