Home / 236,087.13-325,800.29-128,657.18

Finding the Fourth Proportional to 236,087.13, 325,800.29 and 128,657.18

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Solution

The fourth proportional to 236,087.13, 325,800.29 and 128,657.18 is: 177,546.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,087.13 : 325,800.29 = 128,657.18 : x
  2. Step 2: Convert to fraction form
    236,087.13/325,800.29 = 128,657.18/x
  3. Step 3: Cross multiply
    236,087.13x = 325,800.29 × 128,657.18
  4. Step 4: Simplify right side
    236,087.13x = 41,916,546,554.58
  5. Step 5: Solve for x
    x = 41,916,546,554.58/236,087.13
  6. Step 6: Final answer
    x = 177,546.94

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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.