Home / 236,119.11-325,834.83-128,686.83

Finding the Fourth Proportional to 236,119.11, 325,834.83 and 128,686.83

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Solution

The fourth proportional to 236,119.11, 325,834.83 and 128,686.83 is: 177,582.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,119.11 : 325,834.83 = 128,686.83 : x
  2. Step 2: Convert to fraction form
    236,119.11/325,834.83 = 128,686.83/x
  3. Step 3: Cross multiply
    236,119.11x = 325,834.83 × 128,686.83
  4. Step 4: Simplify right side
    236,119.11x = 41,930,651,376.29
  5. Step 5: Solve for x
    x = 41,930,651,376.29/236,119.11
  6. Step 6: Final answer
    x = 177,582.63

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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.