Home / 156,851.37-216,455.11-88,872.93

Finding the Fourth Proportional to 156,851.37, 216,455.11 and 88,872.93

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Solution

The fourth proportional to 156,851.37, 216,455.11 and 88,872.93 is: 122,644.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,851.37 : 216,455.11 = 88,872.93 : x
  2. Step 2: Convert to fraction form
    156,851.37/216,455.11 = 88,872.93/x
  3. Step 3: Cross multiply
    156,851.37x = 216,455.11 × 88,872.93
  4. Step 4: Simplify right side
    156,851.37x = 19,236,999,616.99
  5. Step 5: Solve for x
    x = 19,236,999,616.99/156,851.37
  6. Step 6: Final answer
    x = 122,644.77

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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.