Home / 236,028.76-325,715.55-128,599.56

Finding the Fourth Proportional to 236,028.76, 325,715.55 and 128,599.56

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Solution

The fourth proportional to 236,028.76, 325,715.55 and 128,599.56 is: 177,465.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,028.76 : 325,715.55 = 128,599.56 : x
  2. Step 2: Convert to fraction form
    236,028.76/325,715.55 = 128,599.56/x
  3. Step 3: Cross multiply
    236,028.76x = 325,715.55 × 128,599.56
  4. Step 4: Simplify right side
    236,028.76x = 41,886,876,415.16
  5. Step 5: Solve for x
    x = 41,886,876,415.16/236,028.76
  6. Step 6: Final answer
    x = 177,465.14

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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.