Home / 154,600.32-231,911.28-49,427.76

Finding the Fourth Proportional to 154,600.32, 231,911.28 and 49,427.76

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Solution

The fourth proportional to 154,600.32, 231,911.28 and 49,427.76 is: 74,145.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,600.32 : 231,911.28 = 49,427.76 : x
  2. Step 2: Convert to fraction form
    154,600.32/231,911.28 = 49,427.76/x
  3. Step 3: Cross multiply
    154,600.32x = 231,911.28 × 49,427.76
  4. Step 4: Simplify right side
    154,600.32x = 11,462,855,089.13
  5. Step 5: Solve for x
    x = 11,462,855,089.13/154,600.32
  6. Step 6: Final answer
    x = 74,145.09

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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.