Home / 122,874.47-184,311.40-70,247.05

Finding the Fourth Proportional to 122,874.47, 184,311.40 and 70,247.05

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Solution

The fourth proportional to 122,874.47, 184,311.40 and 70,247.05 is: 105,370.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,874.47 : 184,311.40 = 70,247.05 : x
  2. Step 2: Convert to fraction form
    122,874.47/184,311.40 = 70,247.05/x
  3. Step 3: Cross multiply
    122,874.47x = 184,311.40 × 70,247.05
  4. Step 4: Simplify right side
    122,874.47x = 12,947,331,626.69
  5. Step 5: Solve for x
    x = 12,947,331,626.69/122,874.47
  6. Step 6: Final answer
    x = 105,370.40

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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.