Home / 123,058.64-184,530.18-73,145.36

Finding the Fourth Proportional to 123,058.64, 184,530.18 and 73,145.36

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Solution

The fourth proportional to 123,058.64, 184,530.18 and 73,145.36 is: 109,683.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,058.64 : 184,530.18 = 73,145.36 : x
  2. Step 2: Convert to fraction form
    123,058.64/184,530.18 = 73,145.36/x
  3. Step 3: Cross multiply
    123,058.64x = 184,530.18 × 73,145.36
  4. Step 4: Simplify right side
    123,058.64x = 13,497,526,446.96
  5. Step 5: Solve for x
    x = 13,497,526,446.96/123,058.64
  6. Step 6: Final answer
    x = 109,683.70

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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.