Home / 236,009.34-325,691.19-128,579.34

Finding the Fourth Proportional to 236,009.34, 325,691.19 and 128,579.34

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Solution

The fourth proportional to 236,009.34, 325,691.19 and 128,579.34 is: 177,438.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,009.34 : 325,691.19 = 128,579.34 : x
  2. Step 2: Convert to fraction form
    236,009.34/325,691.19 = 128,579.34/x
  3. Step 3: Cross multiply
    236,009.34x = 325,691.19 × 128,579.34
  4. Step 4: Simplify right side
    236,009.34x = 41,877,158,254.01
  5. Step 5: Solve for x
    x = 41,877,158,254.01/236,009.34
  6. Step 6: Final answer
    x = 177,438.56

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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.