Home / 236,130.84-325,867.68-128,707.83

Finding the Fourth Proportional to 236,130.84, 325,867.68 and 128,707.83

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Solution

The fourth proportional to 236,130.84, 325,867.68 and 128,707.83 is: 177,620.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,130.84 : 325,867.68 = 128,707.83 : x
  2. Step 2: Convert to fraction form
    236,130.84/325,867.68 = 128,707.83/x
  3. Step 3: Cross multiply
    236,130.84x = 325,867.68 × 128,707.83
  4. Step 4: Simplify right side
    236,130.84x = 41,941,721,959.93
  5. Step 5: Solve for x
    x = 41,941,721,959.93/236,130.84
  6. Step 6: Final answer
    x = 177,620.69

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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.