Home / 236,064.93-325,769.73-128,634.91

Finding the Fourth Proportional to 236,064.93, 325,769.73 and 128,634.91

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Solution

The fourth proportional to 236,064.93, 325,769.73 and 128,634.91 is: 177,516.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,064.93 : 325,769.73 = 128,634.91 : x
  2. Step 2: Convert to fraction form
    236,064.93/325,769.73 = 128,634.91/x
  3. Step 3: Cross multiply
    236,064.93x = 325,769.73 × 128,634.91
  4. Step 4: Simplify right side
    236,064.93x = 41,905,359,899.27
  5. Step 5: Solve for x
    x = 41,905,359,899.27/236,064.93
  6. Step 6: Final answer
    x = 177,516.24

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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.