Home / 236,074.14-325,777.86-128,644.92

Finding the Fourth Proportional to 236,074.14, 325,777.86 and 128,644.92

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Solution

The fourth proportional to 236,074.14, 325,777.86 and 128,644.92 is: 177,527.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,074.14 : 325,777.86 = 128,644.92 : x
  2. Step 2: Convert to fraction form
    236,074.14/325,777.86 = 128,644.92/x
  3. Step 3: Cross multiply
    236,074.14x = 325,777.86 × 128,644.92
  4. Step 4: Simplify right side
    236,074.14x = 41,909,666,737.47
  5. Step 5: Solve for x
    x = 41,909,666,737.47/236,074.14
  6. Step 6: Final answer
    x = 177,527.56

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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.