Home / 236,139.44-325,862.88-128,707.16

Finding the Fourth Proportional to 236,139.44, 325,862.88 and 128,707.16

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Solution

The fourth proportional to 236,139.44, 325,862.88 and 128,707.16 is: 177,610.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,139.44 : 325,862.88 = 128,707.16 : x
  2. Step 2: Convert to fraction form
    236,139.44/325,862.88 = 128,707.16/x
  3. Step 3: Cross multiply
    236,139.44x = 325,862.88 × 128,707.16
  4. Step 4: Simplify right side
    236,139.44x = 41,940,885,834.22
  5. Step 5: Solve for x
    x = 41,940,885,834.22/236,139.44
  6. Step 6: Final answer
    x = 177,610.68

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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.