Home / 236,157.70-325,901.05-128,727.76

Finding the Fourth Proportional to 236,157.70, 325,901.05 and 128,727.76

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Solution

The fourth proportional to 236,157.70, 325,901.05 and 128,727.76 is: 177,646.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,157.70 : 325,901.05 = 128,727.76 : x
  2. Step 2: Convert to fraction form
    236,157.70/325,901.05 = 128,727.76/x
  3. Step 3: Cross multiply
    236,157.70x = 325,901.05 × 128,727.76
  4. Step 4: Simplify right side
    236,157.70x = 41,952,512,148.15
  5. Step 5: Solve for x
    x = 41,952,512,148.15/236,157.70
  6. Step 6: Final answer
    x = 177,646.18

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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.