Home / 122,598.72-184,131.36-76,176

Finding the Fourth Proportional to 122,598.72, 184,131.36 and 76,176

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Solution

The fourth proportional to 122,598.72, 184,131.36 and 76,176 is: 114,408.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,598.72 : 184,131.36 = 76,176 : x
  2. Step 2: Convert to fraction form
    122,598.72/184,131.36 = 76,176/x
  3. Step 3: Cross multiply
    122,598.72x = 184,131.36 × 76,176
  4. Step 4: Simplify right side
    122,598.72x = 14,026,390,479.36
  5. Step 5: Solve for x
    x = 14,026,390,479.36/122,598.72
  6. Step 6: Final answer
    x = 114,408.95

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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.