Home / 236,016.10-325,701.57-128,587.06

Finding the Fourth Proportional to 236,016.10, 325,701.57 and 128,587.06

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Solution

The fourth proportional to 236,016.10, 325,701.57 and 128,587.06 is: 177,449.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,016.10 : 325,701.57 = 128,587.06 : x
  2. Step 2: Convert to fraction form
    236,016.10/325,701.57 = 128,587.06/x
  3. Step 3: Cross multiply
    236,016.10x = 325,701.57 × 128,587.06
  4. Step 4: Simplify right side
    236,016.10x = 41,881,007,323.68
  5. Step 5: Solve for x
    x = 41,881,007,323.68/236,016.10
  6. Step 6: Final answer
    x = 177,449.79

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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.