Home / 122,724.72-184,320.48-76,302

Finding the Fourth Proportional to 122,724.72, 184,320.48 and 76,302

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Solution

The fourth proportional to 122,724.72, 184,320.48 and 76,302 is: 114,598.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,724.72 : 184,320.48 = 76,302 : x
  2. Step 2: Convert to fraction form
    122,724.72/184,320.48 = 76,302/x
  3. Step 3: Cross multiply
    122,724.72x = 184,320.48 × 76,302
  4. Step 4: Simplify right side
    122,724.72x = 14,064,021,264.96
  5. Step 5: Solve for x
    x = 14,064,021,264.96/122,724.72
  6. Step 6: Final answer
    x = 114,598.11

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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.