Home / 123,127.70-184,720.08-38,896.22

Finding the Fourth Proportional to 123,127.70, 184,720.08 and 38,896.22

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Solution

The fourth proportional to 123,127.70, 184,720.08 and 38,896.22 is: 58,353.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,127.70 : 184,720.08 = 38,896.22 : x
  2. Step 2: Convert to fraction form
    123,127.70/184,720.08 = 38,896.22/x
  3. Step 3: Cross multiply
    123,127.70x = 184,720.08 × 38,896.22
  4. Step 4: Simplify right side
    123,127.70x = 7,184,912,870.10
  5. Step 5: Solve for x
    x = 7,184,912,870.10/123,127.70
  6. Step 6: Final answer
    x = 58,353.34

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1.5x scale

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.