Home / 144,822.78-199,646.01-101,670.87

Finding the Fourth Proportional to 144,822.78, 199,646.01 and 101,670.87

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Solution

The fourth proportional to 144,822.78, 199,646.01 and 101,670.87 is: 140,158.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,822.78 : 199,646.01 = 101,670.87 : x
  2. Step 2: Convert to fraction form
    144,822.78/199,646.01 = 101,670.87/x
  3. Step 3: Cross multiply
    144,822.78x = 199,646.01 × 101,670.87
  4. Step 4: Simplify right side
    144,822.78x = 20,298,183,528.73
  5. Step 5: Solve for x
    x = 20,298,183,528.73/144,822.78
  6. Step 6: Final answer
    x = 140,158.78

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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.