Home / 123,126.70-184,718.58-38,895.22

Finding the Fourth Proportional to 123,126.70, 184,718.58 and 38,895.22

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Solution

The fourth proportional to 123,126.70, 184,718.58 and 38,895.22 is: 58,351.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,126.70 : 184,718.58 = 38,895.22 : x
  2. Step 2: Convert to fraction form
    123,126.70/184,718.58 = 38,895.22/x
  3. Step 3: Cross multiply
    123,126.70x = 184,718.58 × 38,895.22
  4. Step 4: Simplify right side
    123,126.70x = 7,184,669,807.19
  5. Step 5: Solve for x
    x = 7,184,669,807.19/123,126.70
  6. Step 6: Final answer
    x = 58,351.84

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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.