Home / 156,824.16-216,269.76-120,957.36

Finding the Fourth Proportional to 156,824.16, 216,269.76 and 120,957.36

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Solution

The fourth proportional to 156,824.16, 216,269.76 and 120,957.36 is: 166,807.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,824.16 : 216,269.76 = 120,957.36 : x
  2. Step 2: Convert to fraction form
    156,824.16/216,269.76 = 120,957.36/x
  3. Step 3: Cross multiply
    156,824.16x = 216,269.76 × 120,957.36
  4. Step 4: Simplify right side
    156,824.16x = 26,159,419,217.43
  5. Step 5: Solve for x
    x = 26,159,419,217.43/156,824.16
  6. Step 6: Final answer
    x = 166,807.33

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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.