Home / 154,372.22-231,555.81-49,189.76

Finding the Fourth Proportional to 154,372.22, 231,555.81 and 49,189.76

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Solution

The fourth proportional to 154,372.22, 231,555.81 and 49,189.76 is: 73,783.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,372.22 : 231,555.81 = 49,189.76 : x
  2. Step 2: Convert to fraction form
    154,372.22/231,555.81 = 49,189.76/x
  3. Step 3: Cross multiply
    154,372.22x = 231,555.81 × 49,189.76
  4. Step 4: Simplify right side
    154,372.22x = 11,390,174,720.51
  5. Step 5: Solve for x
    x = 11,390,174,720.51/154,372.22
  6. Step 6: Final answer
    x = 73,783.84

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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.