Home / 156,455.14-216,086.31-106,066.66

Finding the Fourth Proportional to 156,455.14, 216,086.31 and 106,066.66

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Solution

The fourth proportional to 156,455.14, 216,086.31 and 106,066.66 is: 146,492.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,455.14 : 216,086.31 = 106,066.66 : x
  2. Step 2: Convert to fraction form
    156,455.14/216,086.31 = 106,066.66/x
  3. Step 3: Cross multiply
    156,455.14x = 216,086.31 × 106,066.66
  4. Step 4: Simplify right side
    156,455.14x = 22,919,553,173.42
  5. Step 5: Solve for x
    x = 22,919,553,173.42/156,455.14
  6. Step 6: Final answer
    x = 146,492.81

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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.