Home / 236,152.41-325,885.47-128,721.51

Finding the Fourth Proportional to 236,152.41, 325,885.47 and 128,721.51

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Solution

The fourth proportional to 236,152.41, 325,885.47 and 128,721.51 is: 177,633.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,152.41 : 325,885.47 = 128,721.51 : x
  2. Step 2: Convert to fraction form
    236,152.41/325,885.47 = 128,721.51/x
  3. Step 3: Cross multiply
    236,152.41x = 325,885.47 × 128,721.51
  4. Step 4: Simplify right side
    236,152.41x = 41,948,469,785.46
  5. Step 5: Solve for x
    x = 41,948,469,785.46/236,152.41
  6. Step 6: Final answer
    x = 177,633.04

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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.