Home / 122,825.52-184,281.84-70,279.20

Finding the Fourth Proportional to 122,825.52, 184,281.84 and 70,279.20

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Solution

The fourth proportional to 122,825.52, 184,281.84 and 70,279.20 is: 105,443.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,825.52 : 184,281.84 = 70,279.20 : x
  2. Step 2: Convert to fraction form
    122,825.52/184,281.84 = 70,279.20/x
  3. Step 3: Cross multiply
    122,825.52x = 184,281.84 × 70,279.20
  4. Step 4: Simplify right side
    122,825.52x = 12,951,180,289.73
  5. Step 5: Solve for x
    x = 12,951,180,289.73/122,825.52
  6. Step 6: Final answer
    x = 105,443.72

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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.