Home / 154,631.10-231,748.41-134,557.14

Finding the Fourth Proportional to 154,631.10, 231,748.41 and 134,557.14

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Solution

The fourth proportional to 154,631.10, 231,748.41 and 134,557.14 is: 201,663.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,631.10 : 231,748.41 = 134,557.14 : x
  2. Step 2: Convert to fraction form
    154,631.10/231,748.41 = 134,557.14/x
  3. Step 3: Cross multiply
    154,631.10x = 231,748.41 × 134,557.14
  4. Step 4: Simplify right side
    154,631.10x = 31,183,403,249.15
  5. Step 5: Solve for x
    x = 31,183,403,249.15/154,631.10
  6. Step 6: Final answer
    x = 201,663.21

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.