Home / 127,035.27-174,868.68-109,799.79

Finding the Fourth Proportional to 127,035.27, 174,868.68 and 109,799.79

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Solution

The fourth proportional to 127,035.27, 174,868.68 and 109,799.79 is: 151,143.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,035.27 : 174,868.68 = 109,799.79 : x
  2. Step 2: Convert to fraction form
    127,035.27/174,868.68 = 109,799.79/x
  3. Step 3: Cross multiply
    127,035.27x = 174,868.68 × 109,799.79
  4. Step 4: Simplify right side
    127,035.27x = 19,200,544,341.58
  5. Step 5: Solve for x
    x = 19,200,544,341.58/127,035.27
  6. Step 6: Final answer
    x = 151,143.41

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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.