Home / 251,533.20-347,115.56-144,103.66

Finding the Fourth Proportional to 251,533.20, 347,115.56 and 144,103.66

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Solution

The fourth proportional to 251,533.20, 347,115.56 and 144,103.66 is: 198,862.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,533.20 : 347,115.56 = 144,103.66 : x
  2. Step 2: Convert to fraction form
    251,533.20/347,115.56 = 144,103.66/x
  3. Step 3: Cross multiply
    251,533.20x = 347,115.56 × 144,103.66
  4. Step 4: Simplify right side
    251,533.20x = 50,020,621,861.23
  5. Step 5: Solve for x
    x = 50,020,621,861.23/251,533.20
  6. Step 6: Final answer
    x = 198,862.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.