Home / 122,820.81-184,263.42-38,577.57

Finding the Fourth Proportional to 122,820.81, 184,263.42 and 38,577.57

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Solution

The fourth proportional to 122,820.81, 184,263.42 and 38,577.57 is: 57,876.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,820.81 : 184,263.42 = 38,577.57 : x
  2. Step 2: Convert to fraction form
    122,820.81/184,263.42 = 38,577.57/x
  3. Step 3: Cross multiply
    122,820.81x = 184,263.42 × 38,577.57
  4. Step 4: Simplify right side
    122,820.81x = 7,108,434,983.49
  5. Step 5: Solve for x
    x = 7,108,434,983.49/122,820.81
  6. Step 6: Final answer
    x = 57,876.47

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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.