Home / 236,021.34-325,709.45-128,591.35

Finding the Fourth Proportional to 236,021.34, 325,709.45 and 128,591.35

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Solution

The fourth proportional to 236,021.34, 325,709.45 and 128,591.35 is: 177,456.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,021.34 : 325,709.45 = 128,591.35 : x
  2. Step 2: Convert to fraction form
    236,021.34/325,709.45 = 128,591.35/x
  3. Step 3: Cross multiply
    236,021.34x = 325,709.45 × 128,591.35
  4. Step 4: Simplify right side
    236,021.34x = 41,883,417,631.57
  5. Step 5: Solve for x
    x = 41,883,417,631.57/236,021.34
  6. Step 6: Final answer
    x = 177,456.06

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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.