Home / 254,861.13-351,717.39-140,148.48

Finding the Fourth Proportional to 254,861.13, 351,717.39 and 140,148.48

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Solution

The fourth proportional to 254,861.13, 351,717.39 and 140,148.48 is: 193,409.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,861.13 : 351,717.39 = 140,148.48 : x
  2. Step 2: Convert to fraction form
    254,861.13/351,717.39 = 140,148.48/x
  3. Step 3: Cross multiply
    254,861.13x = 351,717.39 × 140,148.48
  4. Step 4: Simplify right side
    254,861.13x = 49,292,657,598.07
  5. Step 5: Solve for x
    x = 49,292,657,598.07/254,861.13
  6. Step 6: Final answer
    x = 193,409.87

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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.