Home / 251,688.60-347,324.76-144,321.84

Finding the Fourth Proportional to 251,688.60, 347,324.76 and 144,321.84

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Solution

The fourth proportional to 251,688.60, 347,324.76 and 144,321.84 is: 199,160.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,688.60 : 347,324.76 = 144,321.84 : x
  2. Step 2: Convert to fraction form
    251,688.60/347,324.76 = 144,321.84/x
  3. Step 3: Cross multiply
    251,688.60x = 347,324.76 × 144,321.84
  4. Step 4: Simplify right side
    251,688.60x = 50,126,548,440.76
  5. Step 5: Solve for x
    x = 50,126,548,440.76/251,688.60
  6. Step 6: Final answer
    x = 199,160.98

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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.