Home / 236,091.17-325,812.74-128,668.11

Finding the Fourth Proportional to 236,091.17, 325,812.74 and 128,668.11

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Solution

The fourth proportional to 236,091.17, 325,812.74 and 128,668.11 is: 177,565.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,091.17 : 325,812.74 = 128,668.11 : x
  2. Step 2: Convert to fraction form
    236,091.17/325,812.74 = 128,668.11/x
  3. Step 3: Cross multiply
    236,091.17x = 325,812.74 × 128,668.11
  4. Step 4: Simplify right side
    236,091.17x = 41,921,708,826.38
  5. Step 5: Solve for x
    x = 41,921,708,826.38/236,091.17
  6. Step 6: Final answer
    x = 177,565.77

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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.