Home / 184,060.80-276,091.20-78,890.40

Finding the Fourth Proportional to 184,060.80, 276,091.20 and 78,890.40

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Solution

The fourth proportional to 184,060.80, 276,091.20 and 78,890.40 is: 118,335.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    184,060.80 : 276,091.20 = 78,890.40 : x
  2. Step 2: Convert to fraction form
    184,060.80/276,091.20 = 78,890.40/x
  3. Step 3: Cross multiply
    184,060.80x = 276,091.20 × 78,890.40
  4. Step 4: Simplify right side
    184,060.80x = 21,780,945,204.48
  5. Step 5: Solve for x
    x = 21,780,945,204.48/184,060.80
  6. Step 6: Final answer
    x = 118,335.60

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1.5x scale

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.