Home / 185,182.56-277,887.24-79,999.20

Finding the Fourth Proportional to 185,182.56, 277,887.24 and 79,999.20

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Solution

The fourth proportional to 185,182.56, 277,887.24 and 79,999.20 is: 120,047.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,182.56 : 277,887.24 = 79,999.20 : x
  2. Step 2: Convert to fraction form
    185,182.56/277,887.24 = 79,999.20/x
  3. Step 3: Cross multiply
    185,182.56x = 277,887.24 × 79,999.20
  4. Step 4: Simplify right side
    185,182.56x = 22,230,756,890.21
  5. Step 5: Solve for x
    x = 22,230,756,890.21/185,182.56
  6. Step 6: Final answer
    x = 120,047.79

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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.