Home / 251,543.48-347,155.44-144,127.76

Finding the Fourth Proportional to 251,543.48, 347,155.44 and 144,127.76

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Solution

The fourth proportional to 251,543.48, 347,155.44 and 144,127.76 is: 198,910.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,543.48 : 347,155.44 = 144,127.76 : x
  2. Step 2: Convert to fraction form
    251,543.48/347,155.44 = 144,127.76/x
  3. Step 3: Cross multiply
    251,543.48x = 347,155.44 × 144,127.76
  4. Step 4: Simplify right side
    251,543.48x = 50,034,735,939.01
  5. Step 5: Solve for x
    x = 50,034,735,939.01/251,543.48
  6. Step 6: Final answer
    x = 198,910.88

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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.