Home / 251,530.67-347,112.07-144,101.13

Finding the Fourth Proportional to 251,530.67, 347,112.07 and 144,101.13

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Solution

The fourth proportional to 251,530.67, 347,112.07 and 144,101.13 is: 198,859.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,530.67 : 347,112.07 = 144,101.13 : x
  2. Step 2: Convert to fraction form
    251,530.67/347,112.07 = 144,101.13/x
  3. Step 3: Cross multiply
    251,530.67x = 347,112.07 × 144,101.13
  4. Step 4: Simplify right side
    251,530.67x = 50,019,239,861.72
  5. Step 5: Solve for x
    x = 50,019,239,861.72/251,530.67
  6. Step 6: Final answer
    x = 198,859.41

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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.